Finding the Fourth Proportional to 115,217.04, 173,447.97 and 103,630.47
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Solution
The fourth proportional to 115,217.04, 173,447.97 and 103,630.47 is: 156,005.52
Step by Step Solution
- Step 1: Write the proportion equation
115,217.04 : 173,447.97 = 103,630.47 : x - Step 2: Convert to fraction form
115,217.04/173,447.97 = 103,630.47/x - Step 3: Cross multiply
115,217.04x = 173,447.97 × 103,630.47 - Step 4: Simplify right side
115,217.04x = 17,974,494,651.65 - Step 5: Solve for x
x = 17,974,494,651.65/115,217.04 - Step 6: Final answer
x = 156,005.52
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.