Finding the Fourth Proportional to 381,627.68, 572,526.40 and 125,471.84
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Solution
The fourth proportional to 381,627.68, 572,526.40 and 125,471.84 is: 188,235.67
Step by Step Solution
- Step 1: Write the proportion equation
381,627.68 : 572,526.40 = 125,471.84 : x - Step 2: Convert to fraction form
381,627.68/572,526.40 = 125,471.84/x - Step 3: Cross multiply
381,627.68x = 572,526.40 × 125,471.84 - Step 4: Simplify right side
381,627.68x = 71,835,940,856.58 - Step 5: Solve for x
x = 71,835,940,856.58/381,627.68 - Step 6: Final answer
x = 188,235.67
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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.