Home / 498,337.20-747,384.30-143,314.20

Finding the Fourth Proportional to 498,337.20, 747,384.30 and 143,314.20

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Solution

The fourth proportional to 498,337.20, 747,384.30 and 143,314.20 is: 214,936.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,337.20 : 747,384.30 = 143,314.20 : x
  2. Step 2: Convert to fraction form
    498,337.20/747,384.30 = 143,314.20/x
  3. Step 3: Cross multiply
    498,337.20x = 747,384.30 × 143,314.20
  4. Step 4: Simplify right side
    498,337.20x = 107,110,783,047.06
  5. Step 5: Solve for x
    x = 107,110,783,047.06/498,337.20
  6. Step 6: Final answer
    x = 214,936.36

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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.