Finding the Fourth Proportional to 108,474.24, 162,417.68 and 76,753.92
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Solution
The fourth proportional to 108,474.24, 162,417.68 and 76,753.92 is: 114,923.08
Step by Step Solution
- Step 1: Write the proportion equation
108,474.24 : 162,417.68 = 76,753.92 : x - Step 2: Convert to fraction form
108,474.24/162,417.68 = 76,753.92/x - Step 3: Cross multiply
108,474.24x = 162,417.68 × 76,753.92 - Step 4: Simplify right side
108,474.24x = 12,466,193,617.31 - Step 5: Solve for x
x = 12,466,193,617.31/108,474.24 - Step 6: Final answer
x = 114,923.08
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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.