Finding the Fourth Proportional to 288,268.24, 432,425.40 and 101,321.68
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Solution
The fourth proportional to 288,268.24, 432,425.40 and 101,321.68 is: 151,990.62
Step by Step Solution
- Step 1: Write the proportion equation
288,268.24 : 432,425.40 = 101,321.68 : x - Step 2: Convert to fraction form
288,268.24/432,425.40 = 101,321.68/x - Step 3: Cross multiply
288,268.24x = 432,425.40 × 101,321.68 - Step 4: Simplify right side
288,268.24x = 43,814,068,002.67 - Step 5: Solve for x
x = 43,814,068,002.67/288,268.24 - Step 6: Final answer
x = 151,990.62
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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.