Finding the Fourth Proportional to 173,201.80, 259,802.70 and 138,209.80
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Solution
The fourth proportional to 173,201.80, 259,802.70 and 138,209.80 is: 207,314.70
Step by Step Solution
- Step 1: Write the proportion equation
173,201.80 : 259,802.70 = 138,209.80 : x - Step 2: Convert to fraction form
173,201.80/259,802.70 = 138,209.80/x - Step 3: Cross multiply
173,201.80x = 259,802.70 × 138,209.80 - Step 4: Simplify right side
173,201.80x = 35,907,279,206.46 - Step 5: Solve for x
x = 35,907,279,206.46/173,201.80 - Step 6: Final answer
x = 207,314.70
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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.