Finding the Fourth Proportional to 502,217.12, 753,325.67 and 221,678.48
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Solution
The fourth proportional to 502,217.12, 753,325.67 and 221,678.48 is: 332,517.72
Step by Step Solution
- Step 1: Write the proportion equation
502,217.12 : 753,325.67 = 221,678.48 : x - Step 2: Convert to fraction form
502,217.12/753,325.67 = 221,678.48/x - Step 3: Cross multiply
502,217.12x = 753,325.67 × 221,678.48 - Step 4: Simplify right side
502,217.12x = 166,996,091,908.09 - Step 5: Solve for x
x = 166,996,091,908.09/502,217.12 - Step 6: Final answer
x = 332,517.72
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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.