Finding the Fourth Proportional to 453,905.61, 626,391.52 and 272,620.62
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Solution
The fourth proportional to 453,905.61, 626,391.52 and 272,620.62 is: 376,217.52
Step by Step Solution
- Step 1: Write the proportion equation
453,905.61 : 626,391.52 = 272,620.62 : x - Step 2: Convert to fraction form
453,905.61/626,391.52 = 272,620.62/x - Step 3: Cross multiply
453,905.61x = 626,391.52 × 272,620.62 - Step 4: Simplify right side
453,905.61x = 170,767,244,545.14 - Step 5: Solve for x
x = 170,767,244,545.14/453,905.61 - Step 6: Final answer
x = 376,217.52
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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.