Finding the Fourth Proportional to 382,724.70, 527,931.99 and 297,707.10
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Solution
The fourth proportional to 382,724.70, 527,931.99 and 297,707.10 is: 410,658.37
Step by Step Solution
- Step 1: Write the proportion equation
382,724.70 : 527,931.99 = 297,707.10 : x - Step 2: Convert to fraction form
382,724.70/527,931.99 = 297,707.10/x - Step 3: Cross multiply
382,724.70x = 527,931.99 × 297,707.10 - Step 4: Simplify right side
382,724.70x = 157,169,101,740.13 - Step 5: Solve for x
x = 157,169,101,740.13/382,724.70 - Step 6: Final answer
x = 410,658.37
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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.