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Finding the Fourth Proportional to 255,295.08, 381,875.97 and 179,388.30

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Solution

The fourth proportional to 255,295.08, 381,875.97 and 179,388.30 is: 268,332.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,295.08 : 381,875.97 = 179,388.30 : x
  2. Step 2: Convert to fraction form
    255,295.08/381,875.97 = 179,388.30/x
  3. Step 3: Cross multiply
    255,295.08x = 381,875.97 × 179,388.30
  4. Step 4: Simplify right side
    255,295.08x = 68,504,081,069.15
  5. Step 5: Solve for x
    x = 68,504,081,069.15/255,295.08
  6. Step 6: Final answer
    x = 268,332.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.