Finding the Fourth Proportional to 283,472.24, 391,565.60 and 211,727.84
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Solution
The fourth proportional to 283,472.24, 391,565.60 and 211,727.84 is: 292,463.69
Step by Step Solution
- Step 1: Write the proportion equation
283,472.24 : 391,565.60 = 211,727.84 : x - Step 2: Convert to fraction form
283,472.24/391,565.60 = 211,727.84/x - Step 3: Cross multiply
283,472.24x = 391,565.60 × 211,727.84 - Step 4: Simplify right side
283,472.24x = 82,905,338,706.30 - Step 5: Solve for x
x = 82,905,338,706.30/283,472.24 - Step 6: Final answer
x = 292,463.69
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1.5x scale
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.