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Finding the Fourth Proportional to 484,257.78, 668,272.50 and 266,479.68

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Solution

The fourth proportional to 484,257.78, 668,272.50 and 266,479.68 is: 367,740.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,257.78 : 668,272.50 = 266,479.68 : x
  2. Step 2: Convert to fraction form
    484,257.78/668,272.50 = 266,479.68/x
  3. Step 3: Cross multiply
    484,257.78x = 668,272.50 × 266,479.68
  4. Step 4: Simplify right side
    484,257.78x = 178,081,041,952.80
  5. Step 5: Solve for x
    x = 178,081,041,952.80/484,257.78
  6. Step 6: Final answer
    x = 367,740.18

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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.