Finding the Fourth Proportional to 409,159.20, 564,486.87 and 408,528.39
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Solution
The fourth proportional to 409,159.20, 564,486.87 and 408,528.39 is: 563,616.59
Step by Step Solution
- Step 1: Write the proportion equation
409,159.20 : 564,486.87 = 408,528.39 : x - Step 2: Convert to fraction form
409,159.20/564,486.87 = 408,528.39/x - Step 3: Cross multiply
409,159.20x = 564,486.87 × 408,528.39 - Step 4: Simplify right side
409,159.20x = 230,608,912,177.24 - Step 5: Solve for x
x = 230,608,912,177.24/409,159.20 - Step 6: Final answer
x = 563,616.59
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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.