Finding the Fourth Proportional to 442,221.14, 663,331.30 and 138,617.48
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Solution
The fourth proportional to 442,221.14, 663,331.30 and 138,617.48 is: 207,926.09
Step by Step Solution
- Step 1: Write the proportion equation
442,221.14 : 663,331.30 = 138,617.48 : x - Step 2: Convert to fraction form
442,221.14/663,331.30 = 138,617.48/x - Step 3: Cross multiply
442,221.14x = 663,331.30 × 138,617.48 - Step 4: Simplify right side
442,221.14x = 91,949,313,211.12 - Step 5: Solve for x
x = 91,949,313,211.12/442,221.14 - Step 6: Final answer
x = 207,926.09
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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.