Finding the Fourth Proportional to 158,454.12, 218,660.42 and 94,753.96
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Solution
The fourth proportional to 158,454.12, 218,660.42 and 94,753.96 is: 130,756.72
Step by Step Solution
- Step 1: Write the proportion equation
158,454.12 : 218,660.42 = 94,753.96 : x - Step 2: Convert to fraction form
158,454.12/218,660.42 = 94,753.96/x - Step 3: Cross multiply
158,454.12x = 218,660.42 × 94,753.96 - Step 4: Simplify right side
158,454.12x = 20,718,940,690.26 - Step 5: Solve for x
x = 20,718,940,690.26/158,454.12 - Step 6: Final answer
x = 130,756.72
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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.