Finding the Fourth Proportional to 318,239.71, 439,182.08 and 175,010.65
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Solution
The fourth proportional to 318,239.71, 439,182.08 and 175,010.65 is: 241,520.90
Step by Step Solution
- Step 1: Write the proportion equation
318,239.71 : 439,182.08 = 175,010.65 : x - Step 2: Convert to fraction form
318,239.71/439,182.08 = 175,010.65/x - Step 3: Cross multiply
318,239.71x = 439,182.08 × 175,010.65 - Step 4: Simplify right side
318,239.71x = 76,861,541,289.15 - Step 5: Solve for x
x = 76,861,541,289.15/318,239.71 - Step 6: Final answer
x = 241,520.90
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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.