Finding the Fourth Proportional to 408,863.58, 564,227.43 and 227,572.62
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Solution
The fourth proportional to 408,863.58, 564,227.43 and 227,572.62 is: 314,047.82
Step by Step Solution
- Step 1: Write the proportion equation
408,863.58 : 564,227.43 = 227,572.62 : x - Step 2: Convert to fraction form
408,863.58/564,227.43 = 227,572.62/x - Step 3: Cross multiply
408,863.58x = 564,227.43 × 227,572.62 - Step 4: Simplify right side
408,863.58x = 128,402,714,520.97 - Step 5: Solve for x
x = 128,402,714,520.97/408,863.58 - Step 6: Final answer
x = 314,047.82
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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.