Finding the Fourth Proportional to 442,672.40, 663,133.80 and 242,634.80
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Solution
The fourth proportional to 442,672.40, 663,133.80 and 242,634.80 is: 363,472.71
Step by Step Solution
- Step 1: Write the proportion equation
442,672.40 : 663,133.80 = 242,634.80 : x - Step 2: Convert to fraction form
442,672.40/663,133.80 = 242,634.80/x - Step 3: Cross multiply
442,672.40x = 663,133.80 × 242,634.80 - Step 4: Simplify right side
442,672.40x = 160,899,336,936.24 - Step 5: Solve for x
x = 160,899,336,936.24/442,672.40 - Step 6: Final answer
x = 363,472.71
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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.