Finding the Fourth Proportional to 229,882.40, 317,190.18 and 134,370.65
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Solution
The fourth proportional to 229,882.40, 317,190.18 and 134,370.65 is: 185,403.70
Step by Step Solution
- Step 1: Write the proportion equation
229,882.40 : 317,190.18 = 134,370.65 : x - Step 2: Convert to fraction form
229,882.40/317,190.18 = 134,370.65/x - Step 3: Cross multiply
229,882.40x = 317,190.18 × 134,370.65 - Step 4: Simplify right side
229,882.40x = 42,621,049,417.05 - Step 5: Solve for x
x = 42,621,049,417.05/229,882.40 - Step 6: Final answer
x = 185,403.70
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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.