Home / 238,325.20-328,890.72-130,896.52

Finding the Fourth Proportional to 238,325.20, 328,890.72 and 130,896.52

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Solution

The fourth proportional to 238,325.20, 328,890.72 and 130,896.52 is: 180,638.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,325.20 : 328,890.72 = 130,896.52 : x
  2. Step 2: Convert to fraction form
    238,325.20/328,890.72 = 130,896.52/x
  3. Step 3: Cross multiply
    238,325.20x = 328,890.72 × 130,896.52
  4. Step 4: Simplify right side
    238,325.20x = 43,050,650,708.29
  5. Step 5: Solve for x
    x = 43,050,650,708.29/238,325.20
  6. Step 6: Final answer
    x = 180,638.27

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1.5x scale

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.