Home / 238,297.28-328,850.70-130,874.36

Finding the Fourth Proportional to 238,297.28, 328,850.70 and 130,874.36

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Solution

The fourth proportional to 238,297.28, 328,850.70 and 130,874.36 is: 180,606.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,297.28 : 328,850.70 = 130,874.36 : x
  2. Step 2: Convert to fraction form
    238,297.28/328,850.70 = 130,874.36/x
  3. Step 3: Cross multiply
    238,297.28x = 328,850.70 × 130,874.36
  4. Step 4: Simplify right side
    238,297.28x = 43,038,124,898.05
  5. Step 5: Solve for x
    x = 43,038,124,898.05/238,297.28
  6. Step 6: Final answer
    x = 180,606.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.