Finding the Fourth Proportional to 134,920.12, 202,344.90 and 40,124.80
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Solution
The fourth proportional to 134,920.12, 202,344.90 and 40,124.80 is: 60,176.71
Step by Step Solution
- Step 1: Write the proportion equation
134,920.12 : 202,344.90 = 40,124.80 : x - Step 2: Convert to fraction form
134,920.12/202,344.90 = 40,124.80/x - Step 3: Cross multiply
134,920.12x = 202,344.90 × 40,124.80 - Step 4: Simplify right side
134,920.12x = 8,119,048,643.52 - Step 5: Solve for x
x = 8,119,048,643.52/134,920.12 - Step 6: Final answer
x = 60,176.71
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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.