Finding the Fourth Proportional to 475,660.57, 656,432.09 and 284,637.19
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Solution
The fourth proportional to 475,660.57, 656,432.09 and 284,637.19 is: 392,811.59
Step by Step Solution
- Step 1: Write the proportion equation
475,660.57 : 656,432.09 = 284,637.19 : x - Step 2: Convert to fraction form
475,660.57/656,432.09 = 284,637.19/x - Step 3: Cross multiply
475,660.57x = 656,432.09 × 284,637.19 - Step 4: Simplify right side
475,660.57x = 186,844,985,523.43 - Step 5: Solve for x
x = 186,844,985,523.43/475,660.57 - Step 6: Final answer
x = 392,811.59
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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.