Finding the Fourth Proportional to 440,446.24, 660,669.12 and 124,905.76
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Solution
The fourth proportional to 440,446.24, 660,669.12 and 124,905.76 is: 187,358.57
Step by Step Solution
- Step 1: Write the proportion equation
440,446.24 : 660,669.12 = 124,905.76 : x - Step 2: Convert to fraction form
440,446.24/660,669.12 = 124,905.76/x - Step 3: Cross multiply
440,446.24x = 660,669.12 × 124,905.76 - Step 4: Simplify right side
440,446.24x = 82,521,378,542.13 - Step 5: Solve for x
x = 82,521,378,542.13/440,446.24 - Step 6: Final answer
x = 187,358.57
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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.