Finding the Fourth Proportional to 76,799.30, 115,204.80 and 26,182.62
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Solution
The fourth proportional to 76,799.30, 115,204.80 and 26,182.62 is: 39,275.92
Step by Step Solution
- Step 1: Write the proportion equation
76,799.30 : 115,204.80 = 26,182.62 : x - Step 2: Convert to fraction form
76,799.30/115,204.80 = 26,182.62/x - Step 3: Cross multiply
76,799.30x = 115,204.80 × 26,182.62 - Step 4: Simplify right side
76,799.30x = 3,016,363,500.58 - Step 5: Solve for x
x = 3,016,363,500.58/76,799.30 - Step 6: Final answer
x = 39,275.92
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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.