Finding the Fourth Proportional to 98,921.80, 148,278.12 and 32,344.12
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Solution
The fourth proportional to 98,921.80, 148,278.12 and 32,344.12 is: 48,481.99
Step by Step Solution
- Step 1: Write the proportion equation
98,921.80 : 148,278.12 = 32,344.12 : x - Step 2: Convert to fraction form
98,921.80/148,278.12 = 32,344.12/x - Step 3: Cross multiply
98,921.80x = 148,278.12 × 32,344.12 - Step 4: Simplify right side
98,921.80x = 4,795,925,306.65 - Step 5: Solve for x
x = 4,795,925,306.65/98,921.80 - Step 6: Final answer
x = 48,481.99
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1.5x scale
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.