Home / 238,270.57-328,815.68-130,842.86

Finding the Fourth Proportional to 238,270.57, 328,815.68 and 130,842.86

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Solution

The fourth proportional to 238,270.57, 328,815.68 and 130,842.86 is: 180,564.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,270.57 : 328,815.68 = 130,842.86 : x
  2. Step 2: Convert to fraction form
    238,270.57/328,815.68 = 130,842.86/x
  3. Step 3: Cross multiply
    238,270.57x = 328,815.68 × 130,842.86
  4. Step 4: Simplify right side
    238,270.57x = 43,023,182,516.14
  5. Step 5: Solve for x
    x = 43,023,182,516.14/238,270.57
  6. Step 6: Final answer
    x = 180,564.40

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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.