Finding the Fourth Proportional to 660,581.62, 990,872.42 and 187,271.08
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Solution
The fourth proportional to 660,581.62, 990,872.42 and 187,271.08 is: 280,906.62
Step by Step Solution
- Step 1: Write the proportion equation
660,581.62 : 990,872.42 = 187,271.08 : x - Step 2: Convert to fraction form
660,581.62/990,872.42 = 187,271.08/x - Step 3: Cross multiply
660,581.62x = 990,872.42 × 187,271.08 - Step 4: Simplify right side
660,581.62x = 185,561,748,235.61 - Step 5: Solve for x
x = 185,561,748,235.61/660,581.62 - Step 6: Final answer
x = 280,906.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.