Finding the Fourth Proportional to 656,126.68, 984,190.03 and 157,490.68
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Solution
The fourth proportional to 656,126.68, 984,190.03 and 157,490.68 is: 236,236.02
Step by Step Solution
- Step 1: Write the proportion equation
656,126.68 : 984,190.03 = 157,490.68 : x - Step 2: Convert to fraction form
656,126.68/984,190.03 = 157,490.68/x - Step 3: Cross multiply
656,126.68x = 984,190.03 × 157,490.68 - Step 4: Simplify right side
656,126.68x = 155,000,757,073.92 - Step 5: Solve for x
x = 155,000,757,073.92/656,126.68 - Step 6: Final answer
x = 236,236.02
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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.