Finding the Fourth Proportional to 288,902.41, 433,268.87 and 108,857.95
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Solution
The fourth proportional to 288,902.41, 433,268.87 and 108,857.95 is: 163,254.99
Step by Step Solution
- Step 1: Write the proportion equation
288,902.41 : 433,268.87 = 108,857.95 : x - Step 2: Convert to fraction form
288,902.41/433,268.87 = 108,857.95/x - Step 3: Cross multiply
288,902.41x = 433,268.87 × 108,857.95 - Step 4: Simplify right side
288,902.41x = 47,164,760,987.02 - Step 5: Solve for x
x = 47,164,760,987.02/288,902.41 - Step 6: Final answer
x = 163,254.99
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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.