Finding the Fourth Proportional to 149,232.95, 205,949.07 and 84,706.73
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Solution
The fourth proportional to 149,232.95, 205,949.07 and 84,706.73 is: 116,899.60
Step by Step Solution
- Step 1: Write the proportion equation
149,232.95 : 205,949.07 = 84,706.73 : x - Step 2: Convert to fraction form
149,232.95/205,949.07 = 84,706.73/x - Step 3: Cross multiply
149,232.95x = 205,949.07 × 84,706.73 - Step 4: Simplify right side
149,232.95x = 17,445,272,266.24 - Step 5: Solve for x
x = 17,445,272,266.24/149,232.95 - Step 6: Final answer
x = 116,899.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.