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Finding the Fourth Proportional to 247,004.20, 340,866.12 and 133,826.86

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Solution

The fourth proportional to 247,004.20, 340,866.12 and 133,826.86 is: 184,681.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,004.20 : 340,866.12 = 133,826.86 : x
  2. Step 2: Convert to fraction form
    247,004.20/340,866.12 = 133,826.86/x
  3. Step 3: Cross multiply
    247,004.20x = 340,866.12 × 133,826.86
  4. Step 4: Simplify right side
    247,004.20x = 45,617,042,519.98
  5. Step 5: Solve for x
    x = 45,617,042,519.98/247,004.20
  6. Step 6: Final answer
    x = 184,681.24

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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.