Finding the Fourth Proportional to 250,778.18, 346,073.87 and 143,350.52
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Solution
The fourth proportional to 250,778.18, 346,073.87 and 143,350.52 is: 197,823.70
Step by Step Solution
- Step 1: Write the proportion equation
250,778.18 : 346,073.87 = 143,350.52 : x - Step 2: Convert to fraction form
250,778.18/346,073.87 = 143,350.52/x - Step 3: Cross multiply
250,778.18x = 346,073.87 × 143,350.52 - Step 4: Simplify right side
250,778.18x = 49,609,866,775.79 - Step 5: Solve for x
x = 49,609,866,775.79/250,778.18 - Step 6: Final answer
x = 197,823.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.