Finding the Fourth Proportional to 457,965.24, 631,862.82 and 296,827.08
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Solution
The fourth proportional to 457,965.24, 631,862.82 and 296,827.08 is: 409,537.62
Step by Step Solution
- Step 1: Write the proportion equation
457,965.24 : 631,862.82 = 296,827.08 : x - Step 2: Convert to fraction form
457,965.24/631,862.82 = 296,827.08/x - Step 3: Cross multiply
457,965.24x = 631,862.82 × 296,827.08 - Step 4: Simplify right side
457,965.24x = 187,553,995,821.17 - Step 5: Solve for x
x = 187,553,995,821.17/457,965.24 - Step 6: Final answer
x = 409,537.62
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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.