Finding the Fourth Proportional to 508,740.75, 763,125.71 and 134,763.75
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Solution
The fourth proportional to 508,740.75, 763,125.71 and 134,763.75 is: 202,149.49
Step by Step Solution
- Step 1: Write the proportion equation
508,740.75 : 763,125.71 = 134,763.75 : x - Step 2: Convert to fraction form
508,740.75/763,125.71 = 134,763.75/x - Step 3: Cross multiply
508,740.75x = 763,125.71 × 134,763.75 - Step 4: Simplify right side
508,740.75x = 102,841,681,727.19 - Step 5: Solve for x
x = 102,841,681,727.19/508,740.75 - Step 6: Final answer
x = 202,149.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.