Home / 255,600.20-383,112.30-122,544.20

Finding the Fourth Proportional to 255,600.20, 383,112.30 and 122,544.20

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Solution

The fourth proportional to 255,600.20, 383,112.30 and 122,544.20 is: 183,678.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,600.20 : 383,112.30 = 122,544.20 : x
  2. Step 2: Convert to fraction form
    255,600.20/383,112.30 = 122,544.20/x
  3. Step 3: Cross multiply
    255,600.20x = 383,112.30 × 122,544.20
  4. Step 4: Simplify right side
    255,600.20x = 46,948,190,313.66
  5. Step 5: Solve for x
    x = 46,948,190,313.66/255,600.20
  6. Step 6: Final answer
    x = 183,678.22

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1.5x scale

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.