Home / 412,225.38-618,630.18-187,614.72

Finding the Fourth Proportional to 412,225.38, 618,630.18 and 187,614.72

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Solution

The fourth proportional to 412,225.38, 618,630.18 and 187,614.72 is: 281,555.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,225.38 : 618,630.18 = 187,614.72 : x
  2. Step 2: Convert to fraction form
    412,225.38/618,630.18 = 187,614.72/x
  3. Step 3: Cross multiply
    412,225.38x = 618,630.18 × 187,614.72
  4. Step 4: Simplify right side
    412,225.38x = 116,064,128,004.25
  5. Step 5: Solve for x
    x = 116,064,128,004.25/412,225.38
  6. Step 6: Final answer
    x = 281,555.03

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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.