Finding the Fourth Proportional to 288,773.17, 398,346.98 and 167,901.09
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Solution
The fourth proportional to 288,773.17, 398,346.98 and 167,901.09 is: 231,610.48
Step by Step Solution
- Step 1: Write the proportion equation
288,773.17 : 398,346.98 = 167,901.09 : x - Step 2: Convert to fraction form
288,773.17/398,346.98 = 167,901.09/x - Step 3: Cross multiply
288,773.17x = 398,346.98 × 167,901.09 - Step 4: Simplify right side
288,773.17x = 66,882,892,140.21 - Step 5: Solve for x
x = 66,882,892,140.21/288,773.17 - Step 6: Final answer
x = 231,610.48
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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.