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Finding the Fourth Proportional to 254,652.66, 381,979.05 and 94,707.69

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Solution

The fourth proportional to 254,652.66, 381,979.05 and 94,707.69 is: 142,061.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,652.66 : 381,979.05 = 94,707.69 : x
  2. Step 2: Convert to fraction form
    254,652.66/381,979.05 = 94,707.69/x
  3. Step 3: Cross multiply
    254,652.66x = 381,979.05 × 94,707.69
  4. Step 4: Simplify right side
    254,652.66x = 36,176,353,453.89
  5. Step 5: Solve for x
    x = 36,176,353,453.89/254,652.66
  6. Step 6: Final answer
    x = 142,061.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.