Finding the Fourth Proportional to 101,332.27, 139,850.38 and 84,306.48
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Solution
The fourth proportional to 101,332.27, 139,850.38 and 84,306.48 is: 116,352.80
Step by Step Solution
- Step 1: Write the proportion equation
101,332.27 : 139,850.38 = 84,306.48 : x - Step 2: Convert to fraction form
101,332.27/139,850.38 = 84,306.48/x - Step 3: Cross multiply
101,332.27x = 139,850.38 × 84,306.48 - Step 4: Simplify right side
101,332.27x = 11,790,293,264.46 - Step 5: Solve for x
x = 11,790,293,264.46/101,332.27 - Step 6: Final answer
x = 116,352.80
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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.