Finding the Fourth Proportional to 391,023.68, 586,545.71 and 124,783.83
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Solution
The fourth proportional to 391,023.68, 586,545.71 and 124,783.83 is: 187,179.00
Step by Step Solution
- Step 1: Write the proportion equation
391,023.68 : 586,545.71 = 124,783.83 : x - Step 2: Convert to fraction form
391,023.68/586,545.71 = 124,783.83/x - Step 3: Cross multiply
391,023.68x = 586,545.71 × 124,783.83 - Step 4: Simplify right side
391,023.68x = 73,191,419,539.95 - Step 5: Solve for x
x = 73,191,419,539.95/391,023.68 - Step 6: Final answer
x = 187,179.00
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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.