Finding the Fourth Proportional to 138,609.10, 207,753.84 and 62,625.66
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Solution
The fourth proportional to 138,609.10, 207,753.84 and 62,625.66 is: 93,866.28
Step by Step Solution
- Step 1: Write the proportion equation
138,609.10 : 207,753.84 = 62,625.66 : x - Step 2: Convert to fraction form
138,609.10/207,753.84 = 62,625.66/x - Step 3: Cross multiply
138,609.10x = 207,753.84 × 62,625.66 - Step 4: Simplify right side
138,609.10x = 13,010,720,392.32 - Step 5: Solve for x
x = 13,010,720,392.32/138,609.10 - Step 6: Final answer
x = 93,866.28
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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.