Finding the Fourth Proportional to 113,231.24, 156,261.05 and 62,246.11
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Solution
The fourth proportional to 113,231.24, 156,261.05 and 62,246.11 is: 85,900.70
Step by Step Solution
- Step 1: Write the proportion equation
113,231.24 : 156,261.05 = 62,246.11 : x - Step 2: Convert to fraction form
113,231.24/156,261.05 = 62,246.11/x - Step 3: Cross multiply
113,231.24x = 156,261.05 × 62,246.11 - Step 4: Simplify right side
113,231.24x = 9,726,642,195.78 - Step 5: Solve for x
x = 9,726,642,195.78/113,231.24 - Step 6: Final answer
x = 85,900.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.