Finding the Fourth Proportional to 409,165.20, 564,495.18 and 408,534.42
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Solution
The fourth proportional to 409,165.20, 564,495.18 and 408,534.42 is: 563,624.94
Step by Step Solution
- Step 1: Write the proportion equation
409,165.20 : 564,495.18 = 408,534.42 : x - Step 2: Convert to fraction form
409,165.20/564,495.18 = 408,534.42/x - Step 3: Cross multiply
409,165.20x = 564,495.18 × 408,534.42 - Step 4: Simplify right side
409,165.20x = 230,615,710,954.10 - Step 5: Solve for x
x = 230,615,710,954.10/409,165.20 - Step 6: Final answer
x = 563,624.94
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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.