Home / 238,078.26-328,552.04-130,658.30

Finding the Fourth Proportional to 238,078.26, 328,552.04 and 130,658.30

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Solution

The fourth proportional to 238,078.26, 328,552.04 and 130,658.30 is: 180,310.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,078.26 : 328,552.04 = 130,658.30 : x
  2. Step 2: Convert to fraction form
    238,078.26/328,552.04 = 130,658.30/x
  3. Step 3: Cross multiply
    238,078.26x = 328,552.04 × 130,658.30
  4. Step 4: Simplify right side
    238,078.26x = 42,928,051,007.93
  5. Step 5: Solve for x
    x = 42,928,051,007.93/238,078.26
  6. Step 6: Final answer
    x = 180,310.67

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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.