Home / 255,929.45-383,894.10-137,437.79

Finding the Fourth Proportional to 255,929.45, 383,894.10 and 137,437.79

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Solution

The fourth proportional to 255,929.45, 383,894.10 and 137,437.79 is: 206,156.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,929.45 : 383,894.10 = 137,437.79 : x
  2. Step 2: Convert to fraction form
    255,929.45/383,894.10 = 137,437.79/x
  3. Step 3: Cross multiply
    255,929.45x = 383,894.10 × 137,437.79
  4. Step 4: Simplify right side
    255,929.45x = 52,761,554,778.57
  5. Step 5: Solve for x
    x = 52,761,554,778.57/255,929.45
  6. Step 6: Final answer
    x = 206,156.64

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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.