Finding the Fourth Proportional to 207,320.79, 310,982.92 and 57,572.74
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Solution
The fourth proportional to 207,320.79, 310,982.92 and 57,572.74 is: 86,359.59
Step by Step Solution
- Step 1: Write the proportion equation
207,320.79 : 310,982.92 = 57,572.74 : x - Step 2: Convert to fraction form
207,320.79/310,982.92 = 57,572.74/x - Step 3: Cross multiply
207,320.79x = 310,982.92 × 57,572.74 - Step 4: Simplify right side
207,320.79x = 17,904,137,876.21 - Step 5: Solve for x
x = 17,904,137,876.21/207,320.79 - Step 6: Final answer
x = 86,359.59
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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.