Finding the Fourth Proportional to 457,238.24, 631,154.40 and 372,207.68
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Solution
The fourth proportional to 457,238.24, 631,154.40 and 372,207.68 is: 513,781.43
Step by Step Solution
- Step 1: Write the proportion equation
457,238.24 : 631,154.40 = 372,207.68 : x - Step 2: Convert to fraction form
457,238.24/631,154.40 = 372,207.68/x - Step 3: Cross multiply
457,238.24x = 631,154.40 × 372,207.68 - Step 4: Simplify right side
457,238.24x = 234,920,514,945.79 - Step 5: Solve for x
x = 234,920,514,945.79/457,238.24 - Step 6: Final answer
x = 513,781.43
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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.