Finding the Fourth Proportional to 140,879.84, 211,402.68 and 52,195.17
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Solution
The fourth proportional to 140,879.84, 211,402.68 and 52,195.17 is: 78,323.48
Step by Step Solution
- Step 1: Write the proportion equation
140,879.84 : 211,402.68 = 52,195.17 : x - Step 2: Convert to fraction form
140,879.84/211,402.68 = 52,195.17/x - Step 3: Cross multiply
140,879.84x = 211,402.68 × 52,195.17 - Step 4: Simplify right side
140,879.84x = 11,034,198,821.06 - Step 5: Solve for x
x = 11,034,198,821.06/140,879.84 - Step 6: Final answer
x = 78,323.48
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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.