Finding the Fourth Proportional to 288,767.40, 398,604.53 and 174,050.14
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Solution
The fourth proportional to 288,767.40, 398,604.53 and 174,050.14 is: 240,252.79
Step by Step Solution
- Step 1: Write the proportion equation
288,767.40 : 398,604.53 = 174,050.14 : x - Step 2: Convert to fraction form
288,767.40/398,604.53 = 174,050.14/x - Step 3: Cross multiply
288,767.40x = 398,604.53 × 174,050.14 - Step 4: Simplify right side
288,767.40x = 69,377,174,251.13 - Step 5: Solve for x
x = 69,377,174,251.13/288,767.40 - Step 6: Final answer
x = 240,252.79
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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.