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Finding the Fourth Proportional to 277,793.04, 383,327 and 155,262.80

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Solution

The fourth proportional to 277,793.04, 383,327 and 155,262.80 is: 214,247.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,793.04 : 383,327 = 155,262.80 : x
  2. Step 2: Convert to fraction form
    277,793.04/383,327 = 155,262.80/x
  3. Step 3: Cross multiply
    277,793.04x = 383,327 × 155,262.80
  4. Step 4: Simplify right side
    277,793.04x = 59,516,423,335.60
  5. Step 5: Solve for x
    x = 59,516,423,335.60/277,793.04
  6. Step 6: Final answer
    x = 214,247.35

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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.