Home / 338,148.45-507,033.09-231,652.71

Finding the Fourth Proportional to 338,148.45, 507,033.09 and 231,652.71

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Solution

The fourth proportional to 338,148.45, 507,033.09 and 231,652.71 is: 347,349.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,148.45 : 507,033.09 = 231,652.71 : x
  2. Step 2: Convert to fraction form
    338,148.45/507,033.09 = 231,652.71/x
  3. Step 3: Cross multiply
    338,148.45x = 507,033.09 × 231,652.71
  4. Step 4: Simplify right side
    338,148.45x = 117,455,589,358.17
  5. Step 5: Solve for x
    x = 117,455,589,358.17/338,148.45
  6. Step 6: Final answer
    x = 347,349.19

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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.