Home / 409,318.29-564,900.78-228,059.73

Finding the Fourth Proportional to 409,318.29, 564,900.78 and 228,059.73

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Solution

The fourth proportional to 409,318.29, 564,900.78 and 228,059.73 is: 314,745.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,318.29 : 564,900.78 = 228,059.73 : x
  2. Step 2: Convert to fraction form
    409,318.29/564,900.78 = 228,059.73/x
  3. Step 3: Cross multiply
    409,318.29x = 564,900.78 × 228,059.73
  4. Step 4: Simplify right side
    409,318.29x = 128,831,119,363.59
  5. Step 5: Solve for x
    x = 128,831,119,363.59/409,318.29
  6. Step 6: Final answer
    x = 314,745.57

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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.