Home / 498,203.06-747,429.75-143,217.72

Finding the Fourth Proportional to 498,203.06, 747,429.75 and 143,217.72

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Solution

The fourth proportional to 498,203.06, 747,429.75 and 143,217.72 is: 214,862.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,203.06 : 747,429.75 = 143,217.72 : x
  2. Step 2: Convert to fraction form
    498,203.06/747,429.75 = 143,217.72/x
  3. Step 3: Cross multiply
    498,203.06x = 747,429.75 × 143,217.72
  4. Step 4: Simplify right side
    498,203.06x = 107,045,184,297.13
  5. Step 5: Solve for x
    x = 107,045,184,297.13/498,203.06
  6. Step 6: Final answer
    x = 214,862.56

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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.