Finding the Fourth Proportional to 359,695.14, 539,542.35 and 106,974.60
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Solution
The fourth proportional to 359,695.14, 539,542.35 and 106,974.60 is: 160,461.79
Step by Step Solution
- Step 1: Write the proportion equation
359,695.14 : 539,542.35 = 106,974.60 : x - Step 2: Convert to fraction form
359,695.14/539,542.35 = 106,974.60/x - Step 3: Cross multiply
359,695.14x = 539,542.35 × 106,974.60 - Step 4: Simplify right side
359,695.14x = 57,717,327,074.31 - Step 5: Solve for x
x = 57,717,327,074.31/359,695.14 - Step 6: Final answer
x = 160,461.79
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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.