Finding the Fourth Proportional to 457,251.49, 631,006.95 and 253,315.65
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Solution
The fourth proportional to 457,251.49, 631,006.95 and 253,315.65 is: 349,575.54
Step by Step Solution
- Step 1: Write the proportion equation
457,251.49 : 631,006.95 = 253,315.65 : x - Step 2: Convert to fraction form
457,251.49/631,006.95 = 253,315.65/x - Step 3: Cross multiply
457,251.49x = 631,006.95 × 253,315.65 - Step 4: Simplify right side
457,251.49x = 159,843,937,585.08 - Step 5: Solve for x
x = 159,843,937,585.08/457,251.49 - Step 6: Final answer
x = 349,575.54
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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.