Home / 255,738.10-383,717.80-137,271.10

Finding the Fourth Proportional to 255,738.10, 383,717.80 and 137,271.10

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Solution

The fourth proportional to 255,738.10, 383,717.80 and 137,271.10 is: 205,966.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,738.10 : 383,717.80 = 137,271.10 : x
  2. Step 2: Convert to fraction form
    255,738.10/383,717.80 = 137,271.10/x
  3. Step 3: Cross multiply
    255,738.10x = 383,717.80 × 137,271.10
  4. Step 4: Simplify right side
    255,738.10x = 52,673,364,495.58
  5. Step 5: Solve for x
    x = 52,673,364,495.58/255,738.10
  6. Step 6: Final answer
    x = 205,966.04

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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.