Home / 254,365.11-381,538.25-102,627.81

Finding the Fourth Proportional to 254,365.11, 381,538.25 and 102,627.81

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Solution

The fourth proportional to 254,365.11, 381,538.25 and 102,627.81 is: 153,937.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,365.11 : 381,538.25 = 102,627.81 : x
  2. Step 2: Convert to fraction form
    254,365.11/381,538.25 = 102,627.81/x
  3. Step 3: Cross multiply
    254,365.11x = 381,538.25 × 102,627.81
  4. Step 4: Simplify right side
    254,365.11x = 39,156,434,900.45
  5. Step 5: Solve for x
    x = 39,156,434,900.45/254,365.11
  6. Step 6: Final answer
    x = 153,937.92

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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.