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Finding the Fourth Proportional to 255,299.08, 381,881.96 and 179,392.30

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Solution

The fourth proportional to 255,299.08, 381,881.96 and 179,392.30 is: 268,338.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,299.08 : 381,881.96 = 179,392.30 : x
  2. Step 2: Convert to fraction form
    255,299.08/381,881.96 = 179,392.30/x
  3. Step 3: Cross multiply
    255,299.08x = 381,881.96 × 179,392.30
  4. Step 4: Simplify right side
    255,299.08x = 68,506,683,132.91
  5. Step 5: Solve for x
    x = 68,506,683,132.91/255,299.08
  6. Step 6: Final answer
    x = 268,338.93

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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.