Finding the Fourth Proportional to 140,820.26, 211,278.99 and 88,167.02
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Solution
The fourth proportional to 140,820.26, 211,278.99 and 88,167.02 is: 132,280.96
Step by Step Solution
- Step 1: Write the proportion equation
140,820.26 : 211,278.99 = 88,167.02 : x - Step 2: Convert to fraction form
140,820.26/211,278.99 = 88,167.02/x - Step 3: Cross multiply
140,820.26x = 211,278.99 × 88,167.02 - Step 4: Simplify right side
140,820.26x = 18,627,838,936.91 - Step 5: Solve for x
x = 18,627,838,936.91/140,820.26 - Step 6: Final answer
x = 132,280.96
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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.