Finding the Fourth Proportional to 173,135.70, 259,703.55 and 79,823.70
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Solution
The fourth proportional to 173,135.70, 259,703.55 and 79,823.70 is: 119,735.55
Step by Step Solution
- Step 1: Write the proportion equation
173,135.70 : 259,703.55 = 79,823.70 : x - Step 2: Convert to fraction form
173,135.70/259,703.55 = 79,823.70/x - Step 3: Cross multiply
173,135.70x = 259,703.55 × 79,823.70 - Step 4: Simplify right side
173,135.70x = 20,730,498,264.14 - Step 5: Solve for x
x = 20,730,498,264.14/173,135.70 - Step 6: Final answer
x = 119,735.55
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1.5x scale
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.