Finding the Fourth Proportional to 288,266.06, 397,810.13 and 159,207.75
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Solution
The fourth proportional to 288,266.06, 397,810.13 and 159,207.75 is: 219,708.33
Step by Step Solution
- Step 1: Write the proportion equation
288,266.06 : 397,810.13 = 159,207.75 : x - Step 2: Convert to fraction form
288,266.06/397,810.13 = 159,207.75/x - Step 3: Cross multiply
288,266.06x = 397,810.13 × 159,207.75 - Step 4: Simplify right side
288,266.06x = 63,334,454,928.47 - Step 5: Solve for x
x = 63,334,454,928.47/288,266.06 - Step 6: Final answer
x = 219,708.33
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1.5x scale
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.