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Finding the Fourth Proportional to 255,777.89, 383,116.97 and 207,529.70

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Solution

The fourth proportional to 255,777.89, 383,116.97 and 207,529.70 is: 310,848.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,777.89 : 383,116.97 = 207,529.70 : x
  2. Step 2: Convert to fraction form
    255,777.89/383,116.97 = 207,529.70/x
  3. Step 3: Cross multiply
    255,777.89x = 383,116.97 × 207,529.70
  4. Step 4: Simplify right side
    255,777.89x = 79,508,148,452.25
  5. Step 5: Solve for x
    x = 79,508,148,452.25/255,777.89
  6. Step 6: Final answer
    x = 310,848.41

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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.