Finding the Fourth Proportional to 408,872.13, 564,262.08 and 227,595.62
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Solution
The fourth proportional to 408,872.13, 564,262.08 and 227,595.62 is: 314,092.27
Step by Step Solution
- Step 1: Write the proportion equation
408,872.13 : 564,262.08 = 227,595.62 : x - Step 2: Convert to fraction form
408,872.13/564,262.08 = 227,595.62/x - Step 3: Cross multiply
408,872.13x = 564,262.08 × 227,595.62 - Step 4: Simplify right side
408,872.13x = 128,423,575,118.78 - Step 5: Solve for x
x = 128,423,575,118.78/408,872.13 - Step 6: Final answer
x = 314,092.27
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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.