Finding the Fourth Proportional to 113,291.24, 156,343.71 and 62,306.19
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Solution
The fourth proportional to 113,291.24, 156,343.71 and 62,306.19 is: 85,983.53
Step by Step Solution
- Step 1: Write the proportion equation
113,291.24 : 156,343.71 = 62,306.19 : x - Step 2: Convert to fraction form
113,291.24/156,343.71 = 62,306.19/x - Step 3: Cross multiply
113,291.24x = 156,343.71 × 62,306.19 - Step 4: Simplify right side
113,291.24x = 9,741,180,900.56 - Step 5: Solve for x
x = 9,741,180,900.56/113,291.24 - Step 6: Final answer
x = 85,983.53
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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.