Finding the Fourth Proportional to 518,577.78, 777,866.70 and 124,593.78
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Solution
The fourth proportional to 518,577.78, 777,866.70 and 124,593.78 is: 186,890.68
Step by Step Solution
- Step 1: Write the proportion equation
518,577.78 : 777,866.70 = 124,593.78 : x - Step 2: Convert to fraction form
518,577.78/777,866.70 = 124,593.78/x - Step 3: Cross multiply
518,577.78x = 777,866.70 × 124,593.78 - Step 4: Simplify right side
518,577.78x = 96,917,352,489.13 - Step 5: Solve for x
x = 96,917,352,489.13/518,577.78 - Step 6: Final answer
x = 186,890.68
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Similar ratio
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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.