Home / 601,487.20-901,281.57-221,885.56

Finding the Fourth Proportional to 601,487.20, 901,281.57 and 221,885.56

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Solution

The fourth proportional to 601,487.20, 901,281.57 and 221,885.56 is: 332,478.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,487.20 : 901,281.57 = 221,885.56 : x
  2. Step 2: Convert to fraction form
    601,487.20/901,281.57 = 221,885.56/x
  3. Step 3: Cross multiply
    601,487.20x = 901,281.57 × 221,885.56
  4. Step 4: Simplify right side
    601,487.20x = 199,981,365,877.13
  5. Step 5: Solve for x
    x = 199,981,365,877.13/601,487.20
  6. Step 6: Final answer
    x = 332,478.17

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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.