Finding the Fourth Proportional to 140,767.07, 211,151.21 and 40,927.68
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Solution
The fourth proportional to 140,767.07, 211,151.21 and 40,927.68 is: 61,391.70
Step by Step Solution
- Step 1: Write the proportion equation
140,767.07 : 211,151.21 = 40,927.68 : x - Step 2: Convert to fraction form
140,767.07/211,151.21 = 40,927.68/x - Step 3: Cross multiply
140,767.07x = 211,151.21 × 40,927.68 - Step 4: Simplify right side
140,767.07x = 8,641,928,949.85 - Step 5: Solve for x
x = 8,641,928,949.85/140,767.07 - Step 6: Final answer
x = 61,391.70
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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.