Finding the Fourth Proportional to 457,711.92, 631,707.84 and 253,808.19
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Solution
The fourth proportional to 457,711.92, 631,707.84 and 253,808.19 is: 350,291.56
Step by Step Solution
- Step 1: Write the proportion equation
457,711.92 : 631,707.84 = 253,808.19 : x - Step 2: Convert to fraction form
457,711.92/631,707.84 = 253,808.19/x - Step 3: Cross multiply
457,711.92x = 631,707.84 × 253,808.19 - Step 4: Simplify right side
457,711.92x = 160,332,623,479.21 - Step 5: Solve for x
x = 160,332,623,479.21/457,711.92 - Step 6: Final answer
x = 350,291.56
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1.5x scale
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.