Home / 412,157.10-618,277.56-142,250.11

Finding the Fourth Proportional to 412,157.10, 618,277.56 and 142,250.11

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Solution

The fourth proportional to 412,157.10, 618,277.56 and 142,250.11 is: 213,389.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,157.10 : 618,277.56 = 142,250.11 : x
  2. Step 2: Convert to fraction form
    412,157.10/618,277.56 = 142,250.11/x
  3. Step 3: Cross multiply
    412,157.10x = 618,277.56 × 142,250.11
  4. Step 4: Simplify right side
    412,157.10x = 87,950,050,920.53
  5. Step 5: Solve for x
    x = 87,950,050,920.53/412,157.10
  6. Step 6: Final answer
    x = 213,389.63

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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.