Finding the Fourth Proportional to 368,229.12, 508,174.56 and 207,134.88
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Solution
The fourth proportional to 368,229.12, 508,174.56 and 207,134.88 is: 285,856.47
Step by Step Solution
- Step 1: Write the proportion equation
368,229.12 : 508,174.56 = 207,134.88 : x - Step 2: Convert to fraction form
368,229.12/508,174.56 = 207,134.88/x - Step 3: Cross multiply
368,229.12x = 508,174.56 × 207,134.88 - Step 4: Simplify right side
368,229.12x = 105,260,676,504.65 - Step 5: Solve for x
x = 105,260,676,504.65/368,229.12 - Step 6: Final answer
x = 285,856.47
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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.