Finding the Fourth Proportional to 74,143.68, 111,232.80 and 24,226.08
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Solution
The fourth proportional to 74,143.68, 111,232.80 and 24,226.08 is: 36,344.77
Step by Step Solution
- Step 1: Write the proportion equation
74,143.68 : 111,232.80 = 24,226.08 : x - Step 2: Convert to fraction form
74,143.68/111,232.80 = 24,226.08/x - Step 3: Cross multiply
74,143.68x = 111,232.80 × 24,226.08 - Step 4: Simplify right side
74,143.68x = 2,694,734,711.42 - Step 5: Solve for x
x = 2,694,734,711.42/74,143.68 - Step 6: Final answer
x = 36,344.77
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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.