Finding the Fourth Proportional to 156,747.24, 235,126.80 and 51,574.68
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Solution
The fourth proportional to 156,747.24, 235,126.80 and 51,574.68 is: 77,363.97
Step by Step Solution
- Step 1: Write the proportion equation
156,747.24 : 235,126.80 = 51,574.68 : x - Step 2: Convert to fraction form
156,747.24/235,126.80 = 51,574.68/x - Step 3: Cross multiply
156,747.24x = 235,126.80 × 51,574.68 - Step 4: Simplify right side
156,747.24x = 12,126,589,469.42 - Step 5: Solve for x
x = 12,126,589,469.42/156,747.24 - Step 6: Final answer
x = 77,363.97
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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.