Finding the Fourth Proportional to 508,207.57, 762,381.75 and 171,344.65
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Solution
The fourth proportional to 508,207.57, 762,381.75 and 171,344.65 is: 257,040.71
Step by Step Solution
- Step 1: Write the proportion equation
508,207.57 : 762,381.75 = 171,344.65 : x - Step 2: Convert to fraction form
508,207.57/762,381.75 = 171,344.65/x - Step 3: Cross multiply
508,207.57x = 762,381.75 × 171,344.65 - Step 4: Simplify right side
508,207.57x = 130,630,034,120.14 - Step 5: Solve for x
x = 130,630,034,120.14/508,207.57 - Step 6: Final answer
x = 257,040.71
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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.