Home / 275,225.08-379,458.98-178,257.64

Finding the Fourth Proportional to 275,225.08, 379,458.98 and 178,257.64

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Solution

The fourth proportional to 275,225.08, 379,458.98 and 178,257.64 is: 245,767.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,225.08 : 379,458.98 = 178,257.64 : x
  2. Step 2: Convert to fraction form
    275,225.08/379,458.98 = 178,257.64/x
  3. Step 3: Cross multiply
    275,225.08x = 379,458.98 × 178,257.64
  4. Step 4: Simplify right side
    275,225.08x = 67,641,462,251.61
  5. Step 5: Solve for x
    x = 67,641,462,251.61/275,225.08
  6. Step 6: Final answer
    x = 245,767.80

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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.