Home / 238,251.08-328,771.56-130,820.60

Finding the Fourth Proportional to 238,251.08, 328,771.56 and 130,820.60

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Solution

The fourth proportional to 238,251.08, 328,771.56 and 130,820.60 is: 180,524.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,251.08 : 328,771.56 = 130,820.60 : x
  2. Step 2: Convert to fraction form
    238,251.08/328,771.56 = 130,820.60/x
  3. Step 3: Cross multiply
    238,251.08x = 328,771.56 × 130,820.60
  4. Step 4: Simplify right side
    238,251.08x = 43,010,092,742.14
  5. Step 5: Solve for x
    x = 43,010,092,742.14/238,251.08
  6. Step 6: Final answer
    x = 180,524.23

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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.