Home / 255,327.41-383,330.37-218,126.54

Finding the Fourth Proportional to 255,327.41, 383,330.37 and 218,126.54

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Solution

The fourth proportional to 255,327.41, 383,330.37 and 218,126.54 is: 327,479.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,327.41 : 383,330.37 = 218,126.54 : x
  2. Step 2: Convert to fraction form
    255,327.41/383,330.37 = 218,126.54/x
  3. Step 3: Cross multiply
    255,327.41x = 383,330.37 × 218,126.54
  4. Step 4: Simplify right side
    255,327.41x = 83,614,527,285.02
  5. Step 5: Solve for x
    x = 83,614,527,285.02/255,327.41
  6. Step 6: Final answer
    x = 327,479.64

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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.