Home / 347,747.10-521,491.05-123,020.70

Finding the Fourth Proportional to 347,747.10, 521,491.05 and 123,020.70

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Solution

The fourth proportional to 347,747.10, 521,491.05 and 123,020.70 is: 184,485.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,747.10 : 521,491.05 = 123,020.70 : x
  2. Step 2: Convert to fraction form
    347,747.10/521,491.05 = 123,020.70/x
  3. Step 3: Cross multiply
    347,747.10x = 521,491.05 × 123,020.70
  4. Step 4: Simplify right side
    347,747.10x = 64,154,194,014.74
  5. Step 5: Solve for x
    x = 64,154,194,014.74/347,747.10
  6. Step 6: Final answer
    x = 184,485.20

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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.