Home / 255,516.24-383,330.46-75,587.58

Finding the Fourth Proportional to 255,516.24, 383,330.46 and 75,587.58

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Solution

The fourth proportional to 255,516.24, 383,330.46 and 75,587.58 is: 113,397.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,516.24 : 383,330.46 = 75,587.58 : x
  2. Step 2: Convert to fraction form
    255,516.24/383,330.46 = 75,587.58/x
  3. Step 3: Cross multiply
    255,516.24x = 383,330.46 × 75,587.58
  4. Step 4: Simplify right side
    255,516.24x = 28,975,021,811.69
  5. Step 5: Solve for x
    x = 28,975,021,811.69/255,516.24
  6. Step 6: Final answer
    x = 113,397.97

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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.