Finding the Fourth Proportional to 453,693.91, 625,747.88 and 281,713.70
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Solution
The fourth proportional to 453,693.91, 625,747.88 and 281,713.70 is: 388,547.76
Step by Step Solution
- Step 1: Write the proportion equation
453,693.91 : 625,747.88 = 281,713.70 : x - Step 2: Convert to fraction form
453,693.91/625,747.88 = 281,713.70/x - Step 3: Cross multiply
453,693.91x = 625,747.88 × 281,713.70 - Step 4: Simplify right side
453,693.91x = 176,281,750,541.96 - Step 5: Solve for x
x = 176,281,750,541.96/453,693.91 - Step 6: Final answer
x = 388,547.76
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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.