Home / 247,005.20-340,867.50-133,827.86

Finding the Fourth Proportional to 247,005.20, 340,867.50 and 133,827.86

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Solution

The fourth proportional to 247,005.20, 340,867.50 and 133,827.86 is: 184,682.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,005.20 : 340,867.50 = 133,827.86 : x
  2. Step 2: Convert to fraction form
    247,005.20/340,867.50 = 133,827.86/x
  3. Step 3: Cross multiply
    247,005.20x = 340,867.50 × 133,827.86
  4. Step 4: Simplify right side
    247,005.20x = 45,617,568,068.55
  5. Step 5: Solve for x
    x = 45,617,568,068.55/247,005.20
  6. Step 6: Final answer
    x = 184,682.62

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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.