Finding the Fourth Proportional to 86,304.44, 129,396.50 and 38,246.88
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Solution
The fourth proportional to 86,304.44, 129,396.50 and 38,246.88 is: 57,343.66
Step by Step Solution
- Step 1: Write the proportion equation
86,304.44 : 129,396.50 = 38,246.88 : x - Step 2: Convert to fraction form
86,304.44/129,396.50 = 38,246.88/x - Step 3: Cross multiply
86,304.44x = 129,396.50 × 38,246.88 - Step 4: Simplify right side
86,304.44x = 4,949,012,407.92 - Step 5: Solve for x
x = 4,949,012,407.92/86,304.44 - Step 6: Final answer
x = 57,343.66
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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.