Finding the Fourth Proportional to 362,439.12, 500,149.80 and 217,324.99
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Solution
The fourth proportional to 362,439.12, 500,149.80 and 217,324.99 is: 299,898.78
Step by Step Solution
- Step 1: Write the proportion equation
362,439.12 : 500,149.80 = 217,324.99 : x - Step 2: Convert to fraction form
362,439.12/500,149.80 = 217,324.99/x - Step 3: Cross multiply
362,439.12x = 500,149.80 × 217,324.99 - Step 4: Simplify right side
362,439.12x = 108,695,050,283.50 - Step 5: Solve for x
x = 108,695,050,283.50/362,439.12 - Step 6: Final answer
x = 299,898.78
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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.