Finding the Fourth Proportional to 408,807.18, 564,181.02 and 227,517.12
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Solution
The fourth proportional to 408,807.18, 564,181.02 and 227,517.12 is: 313,988.71
Step by Step Solution
- Step 1: Write the proportion equation
408,807.18 : 564,181.02 = 227,517.12 : x - Step 2: Convert to fraction form
408,807.18/564,181.02 = 227,517.12/x - Step 3: Cross multiply
408,807.18x = 564,181.02 × 227,517.12 - Step 4: Simplify right side
408,807.18x = 128,360,840,829.06 - Step 5: Solve for x
x = 128,360,840,829.06/408,807.18 - Step 6: Final answer
x = 313,988.71
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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.