Finding the Fourth Proportional to 268,177.87, 402,432.92 and 155,910.92
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Solution
The fourth proportional to 268,177.87, 402,432.92 and 155,910.92 is: 233,962.96
Step by Step Solution
- Step 1: Write the proportion equation
268,177.87 : 402,432.92 = 155,910.92 : x - Step 2: Convert to fraction form
268,177.87/402,432.92 = 155,910.92/x - Step 3: Cross multiply
268,177.87x = 402,432.92 × 155,910.92 - Step 4: Simplify right side
268,177.87x = 62,743,686,015.93 - Step 5: Solve for x
x = 62,743,686,015.93/268,177.87 - Step 6: Final answer
x = 233,962.96
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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.