Finding the Fourth Proportional to 612,475.97, 845,264.18 and 367,469.95
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Solution
The fourth proportional to 612,475.97, 845,264.18 and 367,469.95 is: 507,136.94
Step by Step Solution
- Step 1: Write the proportion equation
612,475.97 : 845,264.18 = 367,469.95 : x - Step 2: Convert to fraction form
612,475.97/845,264.18 = 367,469.95/x - Step 3: Cross multiply
612,475.97x = 845,264.18 × 367,469.95 - Step 4: Simplify right side
612,475.97x = 310,609,184,284.76 - Step 5: Solve for x
x = 310,609,184,284.76/612,475.97 - Step 6: Final answer
x = 507,136.94
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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.