Finding the Fourth Proportional to 147,471.12, 221,207.04 and 53,925.84
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Solution
The fourth proportional to 147,471.12, 221,207.04 and 53,925.84 is: 80,888.89
Step by Step Solution
- Step 1: Write the proportion equation
147,471.12 : 221,207.04 = 53,925.84 : x - Step 2: Convert to fraction form
147,471.12/221,207.04 = 53,925.84/x - Step 3: Cross multiply
147,471.12x = 221,207.04 × 53,925.84 - Step 4: Simplify right side
147,471.12x = 11,928,775,445.91 - Step 5: Solve for x
x = 11,928,775,445.91/147,471.12 - Step 6: Final answer
x = 80,888.89
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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.