Finding the Fourth Proportional to 408,832.74, 564,201.72 and 227,554.74
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Solution
The fourth proportional to 408,832.74, 564,201.72 and 227,554.74 is: 314,032.52
Step by Step Solution
- Step 1: Write the proportion equation
408,832.74 : 564,201.72 = 227,554.74 : x - Step 2: Convert to fraction form
408,832.74/564,201.72 = 227,554.74/x - Step 3: Cross multiply
408,832.74x = 564,201.72 × 227,554.74 - Step 4: Simplify right side
408,832.74x = 128,386,775,702.15 - Step 5: Solve for x
x = 128,386,775,702.15/408,832.74 - Step 6: Final answer
x = 314,032.52
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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.