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Finding the Fourth Proportional to 230,003.65, 317,402.67 and 126,634.57

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Solution

The fourth proportional to 230,003.65, 317,402.67 and 126,634.57 is: 174,754.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,003.65 : 317,402.67 = 126,634.57 : x
  2. Step 2: Convert to fraction form
    230,003.65/317,402.67 = 126,634.57/x
  3. Step 3: Cross multiply
    230,003.65x = 317,402.67 × 126,634.57
  4. Step 4: Simplify right side
    230,003.65x = 40,194,151,386.75
  5. Step 5: Solve for x
    x = 40,194,151,386.75/230,003.65
  6. Step 6: Final answer
    x = 174,754.41

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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.