Home / 227,038.30-340,751.85-100,872.70

Finding the Fourth Proportional to 227,038.30, 340,751.85 and 100,872.70

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Solution

The fourth proportional to 227,038.30, 340,751.85 and 100,872.70 is: 151,395.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,038.30 : 340,751.85 = 100,872.70 : x
  2. Step 2: Convert to fraction form
    227,038.30/340,751.85 = 100,872.70/x
  3. Step 3: Cross multiply
    227,038.30x = 340,751.85 × 100,872.70
  4. Step 4: Simplify right side
    227,038.30x = 34,372,559,139.50
  5. Step 5: Solve for x
    x = 34,372,559,139.50/227,038.30
  6. Step 6: Final answer
    x = 151,395.42

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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.