Finding the Fourth Proportional to 280,158.18, 418,052.17 and 249,964.84
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Solution
The fourth proportional to 280,158.18, 418,052.17 and 249,964.84 is: 372,997.65
Step by Step Solution
- Step 1: Write the proportion equation
280,158.18 : 418,052.17 = 249,964.84 : x - Step 2: Convert to fraction form
280,158.18/418,052.17 = 249,964.84/x - Step 3: Cross multiply
280,158.18x = 418,052.17 × 249,964.84 - Step 4: Simplify right side
280,158.18x = 104,498,343,785.70 - Step 5: Solve for x
x = 104,498,343,785.70/280,158.18 - Step 6: Final answer
x = 372,997.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.