Home / 338,147.40-507,254.92-124,971.36

Finding the Fourth Proportional to 338,147.40, 507,254.92 and 124,971.36

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Solution

The fourth proportional to 338,147.40, 507,254.92 and 124,971.36 is: 187,469.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,147.40 : 507,254.92 = 124,971.36 : x
  2. Step 2: Convert to fraction form
    338,147.40/507,254.92 = 124,971.36/x
  3. Step 3: Cross multiply
    338,147.40x = 507,254.92 × 124,971.36
  4. Step 4: Simplify right side
    338,147.40x = 63,392,337,219.09
  5. Step 5: Solve for x
    x = 63,392,337,219.09/338,147.40
  6. Step 6: Final answer
    x = 187,469.54

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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.