Finding the Fourth Proportional to 508,312.85, 762,247.79 and 171,290.68
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Solution
The fourth proportional to 508,312.85, 762,247.79 and 171,290.68 is: 256,861.39
Step by Step Solution
- Step 1: Write the proportion equation
508,312.85 : 762,247.79 = 171,290.68 : x - Step 2: Convert to fraction form
508,312.85/762,247.79 = 171,290.68/x - Step 3: Cross multiply
508,312.85x = 762,247.79 × 171,290.68 - Step 4: Simplify right side
508,312.85x = 130,565,943,016.29 - Step 5: Solve for x
x = 130,565,943,016.29/508,312.85 - Step 6: Final answer
x = 256,861.39
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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.