Home / 409,288.46-564,835.49-228,000.17

Finding the Fourth Proportional to 409,288.46, 564,835.49 and 228,000.17

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Solution

The fourth proportional to 409,288.46, 564,835.49 and 228,000.17 is: 314,649.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,288.46 : 564,835.49 = 228,000.17 : x
  2. Step 2: Convert to fraction form
    409,288.46/564,835.49 = 228,000.17/x
  3. Step 3: Cross multiply
    409,288.46x = 564,835.49 × 228,000.17
  4. Step 4: Simplify right side
    409,288.46x = 128,782,584,917.86
  5. Step 5: Solve for x
    x = 128,782,584,917.86/409,288.46
  6. Step 6: Final answer
    x = 314,649.93

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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.