Home / 338,217.78-507,373.27-113,642.38

Finding the Fourth Proportional to 338,217.78, 507,373.27 and 113,642.38

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Solution

The fourth proportional to 338,217.78, 507,373.27 and 113,642.38 is: 170,479.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,217.78 : 507,373.27 = 113,642.38 : x
  2. Step 2: Convert to fraction form
    338,217.78/507,373.27 = 113,642.38/x
  3. Step 3: Cross multiply
    338,217.78x = 507,373.27 × 113,642.38
  4. Step 4: Simplify right side
    338,217.78x = 57,659,106,301.29
  5. Step 5: Solve for x
    x = 57,659,106,301.29/338,217.78
  6. Step 6: Final answer
    x = 170,479.23

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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.