Home / 434,722.20-652,277.70-154,440.60

Finding the Fourth Proportional to 434,722.20, 652,277.70 and 154,440.60

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Solution

The fourth proportional to 434,722.20, 652,277.70 and 154,440.60 is: 231,729.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,722.20 : 652,277.70 = 154,440.60 : x
  2. Step 2: Convert to fraction form
    434,722.20/652,277.70 = 154,440.60/x
  3. Step 3: Cross multiply
    434,722.20x = 652,277.70 × 154,440.60
  4. Step 4: Simplify right side
    434,722.20x = 100,738,159,354.62
  5. Step 5: Solve for x
    x = 100,738,159,354.62/434,722.20
  6. Step 6: Final answer
    x = 231,729.96

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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.