Home / 255,458.24-383,233.83-86,969.94

Finding the Fourth Proportional to 255,458.24, 383,233.83 and 86,969.94

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Solution

The fourth proportional to 255,458.24, 383,233.83 and 86,969.94 is: 130,470.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,458.24 : 383,233.83 = 86,969.94 : x
  2. Step 2: Convert to fraction form
    255,458.24/383,233.83 = 86,969.94/x
  3. Step 3: Cross multiply
    255,458.24x = 383,233.83 × 86,969.94
  4. Step 4: Simplify right side
    255,458.24x = 33,329,823,201.07
  5. Step 5: Solve for x
    x = 33,329,823,201.07/255,458.24
  6. Step 6: Final answer
    x = 130,470.73

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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.