Finding the Fourth Proportional to 518,531.13, 777,796.69 and 124,547.13
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Solution
The fourth proportional to 518,531.13, 777,796.69 and 124,547.13 is: 186,820.69
Step by Step Solution
- Step 1: Write the proportion equation
518,531.13 : 777,796.69 = 124,547.13 : x - Step 2: Convert to fraction form
518,531.13/777,796.69 = 124,547.13/x - Step 3: Cross multiply
518,531.13x = 777,796.69 × 124,547.13 - Step 4: Simplify right side
518,531.13x = 96,872,345,463.00 - Step 5: Solve for x
x = 96,872,345,463.00/518,531.13 - Step 6: Final answer
x = 186,820.69
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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.