Finding the Fourth Proportional to 517,566.26, 714,224.68 and 288,116.05
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Solution
The fourth proportional to 517,566.26, 714,224.68 and 288,116.05 is: 397,590.82
Step by Step Solution
- Step 1: Write the proportion equation
517,566.26 : 714,224.68 = 288,116.05 : x - Step 2: Convert to fraction form
517,566.26/714,224.68 = 288,116.05/x - Step 3: Cross multiply
517,566.26x = 714,224.68 × 288,116.05 - Step 4: Simplify right side
517,566.26x = 205,779,593,614.11 - Step 5: Solve for x
x = 205,779,593,614.11/517,566.26 - Step 6: Final answer
x = 397,590.82
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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.