Finding the Fourth Proportional to 217,044.80, 325,624.80 and 76,788.80
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Solution
The fourth proportional to 217,044.80, 325,624.80 and 76,788.80 is: 115,203.58
Step by Step Solution
- Step 1: Write the proportion equation
217,044.80 : 325,624.80 = 76,788.80 : x - Step 2: Convert to fraction form
217,044.80/325,624.80 = 76,788.80/x - Step 3: Cross multiply
217,044.80x = 325,624.80 × 76,788.80 - Step 4: Simplify right side
217,044.80x = 25,004,337,642.24 - Step 5: Solve for x
x = 25,004,337,642.24/217,044.80 - Step 6: Final answer
x = 115,203.58
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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.