Finding the Fourth Proportional to 230,320.46, 317,829.12 and 126,934.14
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Solution
The fourth proportional to 230,320.46, 317,829.12 and 126,934.14 is: 175,161.88
Step by Step Solution
- Step 1: Write the proportion equation
230,320.46 : 317,829.12 = 126,934.14 : x - Step 2: Convert to fraction form
230,320.46/317,829.12 = 126,934.14/x - Step 3: Cross multiply
230,320.46x = 317,829.12 × 126,934.14 - Step 4: Simplify right side
230,320.46x = 40,343,364,942.22 - Step 5: Solve for x
x = 40,343,364,942.22/230,320.46 - Step 6: Final answer
x = 175,161.88
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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.