Home / 255,738.24-383,717.97-137,271.15

Finding the Fourth Proportional to 255,738.24, 383,717.97 and 137,271.15

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Solution

The fourth proportional to 255,738.24, 383,717.97 and 137,271.15 is: 205,966.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,738.24 : 383,717.97 = 137,271.15 : x
  2. Step 2: Convert to fraction form
    255,738.24/383,717.97 = 137,271.15/x
  3. Step 3: Cross multiply
    255,738.24x = 383,717.97 × 137,271.15
  4. Step 4: Simplify right side
    255,738.24x = 52,673,407,017.57
  5. Step 5: Solve for x
    x = 52,673,407,017.57/255,738.24
  6. Step 6: Final answer
    x = 205,966.10

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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.