Home / 247,005.76-340,867.12-133,828.52

Finding the Fourth Proportional to 247,005.76, 340,867.12 and 133,828.52

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Solution

The fourth proportional to 247,005.76, 340,867.12 and 133,828.52 is: 184,682.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,005.76 : 340,867.12 = 133,828.52 : x
  2. Step 2: Convert to fraction form
    247,005.76/340,867.12 = 133,828.52/x
  3. Step 3: Cross multiply
    247,005.76x = 340,867.12 × 133,828.52
  4. Step 4: Simplify right side
    247,005.76x = 45,617,742,186.26
  5. Step 5: Solve for x
    x = 45,617,742,186.26/247,005.76
  6. Step 6: Final answer
    x = 184,682.91

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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.