Finding the Fourth Proportional to 506,330.70, 759,496.05 and 206,711.70
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Solution
The fourth proportional to 506,330.70, 759,496.05 and 206,711.70 is: 310,067.55
Step by Step Solution
- Step 1: Write the proportion equation
506,330.70 : 759,496.05 = 206,711.70 : x - Step 2: Convert to fraction form
506,330.70/759,496.05 = 206,711.70/x - Step 3: Cross multiply
506,330.70x = 759,496.05 × 206,711.70 - Step 4: Simplify right side
506,330.70x = 156,996,719,638.79 - Step 5: Solve for x
x = 156,996,719,638.79/506,330.70 - Step 6: Final answer
x = 310,067.55
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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.