Finding the Fourth Proportional to 498,343.80, 747,515.70 and 182,759.70
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Solution
The fourth proportional to 498,343.80, 747,515.70 and 182,759.70 is: 274,139.55
Step by Step Solution
- Step 1: Write the proportion equation
498,343.80 : 747,515.70 = 182,759.70 : x - Step 2: Convert to fraction form
498,343.80/747,515.70 = 182,759.70/x - Step 3: Cross multiply
498,343.80x = 747,515.70 × 182,759.70 - Step 4: Simplify right side
498,343.80x = 136,615,745,077.29 - Step 5: Solve for x
x = 136,615,745,077.29/498,343.80 - Step 6: Final answer
x = 274,139.55
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1.5x scale
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.