Home / 238,338.05-328,909.23-130,910.58

Finding the Fourth Proportional to 238,338.05, 328,909.23 and 130,910.58

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Solution

The fourth proportional to 238,338.05, 328,909.23 and 130,910.58 is: 180,658.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,338.05 : 328,909.23 = 130,910.58 : x
  2. Step 2: Convert to fraction form
    238,338.05/328,909.23 = 130,910.58/x
  3. Step 3: Cross multiply
    238,338.05x = 328,909.23 × 130,910.58
  4. Step 4: Simplify right side
    238,338.05x = 43,057,698,066.65
  5. Step 5: Solve for x
    x = 43,057,698,066.65/238,338.05
  6. Step 6: Final answer
    x = 180,658.10

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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.