Finding the Fourth Proportional to 268,102.24, 402,154.08 and 90,561.76
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Solution
The fourth proportional to 268,102.24, 402,154.08 and 90,561.76 is: 135,842.88
Step by Step Solution
- Step 1: Write the proportion equation
268,102.24 : 402,154.08 = 90,561.76 : x - Step 2: Convert to fraction form
268,102.24/402,154.08 = 90,561.76/x - Step 3: Cross multiply
268,102.24x = 402,154.08 × 90,561.76 - Step 4: Simplify right side
268,102.24x = 36,419,781,275.98 - Step 5: Solve for x
x = 36,419,781,275.98/268,102.24 - Step 6: Final answer
x = 135,842.88
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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.