Finding the Fourth Proportional to 150,260.90, 207,350.87 and 82,278.68
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Solution
The fourth proportional to 150,260.90, 207,350.87 and 82,278.68 is: 113,539.55
Step by Step Solution
- Step 1: Write the proportion equation
150,260.90 : 207,350.87 = 82,278.68 : x - Step 2: Convert to fraction form
150,260.90/207,350.87 = 82,278.68/x - Step 3: Cross multiply
150,260.90x = 207,350.87 × 82,278.68 - Step 4: Simplify right side
150,260.90x = 17,060,554,432.30 - Step 5: Solve for x
x = 17,060,554,432.30/150,260.90 - Step 6: Final answer
x = 113,539.55
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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.