Finding the Fourth Proportional to 113,454.88, 169,923.12 and 54,332.08
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Solution
The fourth proportional to 113,454.88, 169,923.12 and 54,332.08 is: 81,373.99
Step by Step Solution
- Step 1: Write the proportion equation
113,454.88 : 169,923.12 = 54,332.08 : x - Step 2: Convert to fraction form
113,454.88/169,923.12 = 54,332.08/x - Step 3: Cross multiply
113,454.88x = 169,923.12 × 54,332.08 - Step 4: Simplify right side
113,454.88x = 9,232,276,549.69 - Step 5: Solve for x
x = 9,232,276,549.69/113,454.88 - Step 6: Final answer
x = 81,373.99
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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.