Finding the Fourth Proportional to 72,195.30, 108,310.68 and 24,811.08
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Solution
The fourth proportional to 72,195.30, 108,310.68 and 24,811.08 is: 37,222.71
Step by Step Solution
- Step 1: Write the proportion equation
72,195.30 : 108,310.68 = 24,811.08 : x - Step 2: Convert to fraction form
72,195.30/108,310.68 = 24,811.08/x - Step 3: Cross multiply
72,195.30x = 108,310.68 × 24,811.08 - Step 4: Simplify right side
72,195.30x = 2,687,304,946.33 - Step 5: Solve for x
x = 2,687,304,946.33/72,195.30 - Step 6: Final answer
x = 37,222.71
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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.