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Finding the Fourth Proportional to 247,129.96, 367,515.74 and 239,256.76

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Solution

The fourth proportional to 247,129.96, 367,515.74 and 239,256.76 is: 355,807.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,129.96 : 367,515.74 = 239,256.76 : x
  2. Step 2: Convert to fraction form
    247,129.96/367,515.74 = 239,256.76/x
  3. Step 3: Cross multiply
    247,129.96x = 367,515.74 × 239,256.76
  4. Step 4: Simplify right side
    247,129.96x = 87,930,625,201.40
  5. Step 5: Solve for x
    x = 87,930,625,201.40/247,129.96
  6. Step 6: Final answer
    x = 355,807.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.