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Finding the Fourth Proportional to 247,026.15, 340,896.15 and 133,848.90

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Solution

The fourth proportional to 247,026.15, 340,896.15 and 133,848.90 is: 184,711.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,026.15 : 340,896.15 = 133,848.90 : x
  2. Step 2: Convert to fraction form
    247,026.15/340,896.15 = 133,848.90/x
  3. Step 3: Cross multiply
    247,026.15x = 340,896.15 × 133,848.90
  4. Step 4: Simplify right side
    247,026.15x = 45,628,574,691.74
  5. Step 5: Solve for x
    x = 45,628,574,691.74/247,026.15
  6. Step 6: Final answer
    x = 184,711.52

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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.