Home / 381,929.04-572,907.96-145,227.60

Finding the Fourth Proportional to 381,929.04, 572,907.96 and 145,227.60

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Solution

The fourth proportional to 381,929.04, 572,907.96 and 145,227.60 is: 217,846.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,929.04 : 572,907.96 = 145,227.60 : x
  2. Step 2: Convert to fraction form
    381,929.04/572,907.96 = 145,227.60/x
  3. Step 3: Cross multiply
    381,929.04x = 572,907.96 × 145,227.60
  4. Step 4: Simplify right side
    381,929.04x = 83,202,048,051.70
  5. Step 5: Solve for x
    x = 83,202,048,051.70/381,929.04
  6. Step 6: Final answer
    x = 217,846.88

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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.