Home / 410,622.05-617,026.57-221,227.85

Finding the Fourth Proportional to 410,622.05, 617,026.57 and 221,227.85

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Solution

The fourth proportional to 410,622.05, 617,026.57 and 221,227.85 is: 332,430.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,622.05 : 617,026.57 = 221,227.85 : x
  2. Step 2: Convert to fraction form
    410,622.05/617,026.57 = 221,227.85/x
  3. Step 3: Cross multiply
    410,622.05x = 617,026.57 × 221,227.85
  4. Step 4: Simplify right side
    410,622.05x = 136,503,462,463.47
  5. Step 5: Solve for x
    x = 136,503,462,463.47/410,622.05
  6. Step 6: Final answer
    x = 332,430.91

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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.