Finding the Fourth Proportional to 314,356.08, 469,251.80 and 290,938.17
Calculator
Solution
The fourth proportional to 314,356.08, 469,251.80 and 290,938.17 is: 434,294.96
Step by Step Solution
- Step 1: Write the proportion equation
314,356.08 : 469,251.80 = 290,938.17 : x - Step 2: Convert to fraction form
314,356.08/469,251.80 = 290,938.17/x - Step 3: Cross multiply
314,356.08x = 469,251.80 × 290,938.17 - Step 4: Simplify right side
314,356.08x = 136,523,259,961.21 - Step 5: Solve for x
x = 136,523,259,961.21/314,356.08 - Step 6: Final answer
x = 434,294.96
Related Problems
Find fourth proportional to 157,178.04, 234,625.90 and 145,469.09
Half scale
Find fourth proportional to 628,712.16, 938,503.60 and 581,876.34
Double scale
Find fourth proportional to 314,357.08, 469,253.29 and 290,939.17
Similar ratio
Find fourth proportional to 471,534.12, 703,877.70 and 436,407.26
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.