Finding the Fourth Proportional to 115,531.26, 159,433.14 and 62,539.26
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Solution
The fourth proportional to 115,531.26, 159,433.14 and 62,539.26 is: 86,304.18
Step by Step Solution
- Step 1: Write the proportion equation
115,531.26 : 159,433.14 = 62,539.26 : x - Step 2: Convert to fraction form
115,531.26/159,433.14 = 62,539.26/x - Step 3: Cross multiply
115,531.26x = 159,433.14 × 62,539.26 - Step 4: Simplify right side
115,531.26x = 9,970,830,595.08 - Step 5: Solve for x
x = 9,970,830,595.08/115,531.26 - Step 6: Final answer
x = 86,304.18
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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.