Home / 426,164.14-638,470.95-248,131.41

Finding the Fourth Proportional to 426,164.14, 638,470.95 and 248,131.41

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Solution

The fourth proportional to 426,164.14, 638,470.95 and 248,131.41 is: 371,745.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,164.14 : 638,470.95 = 248,131.41 : x
  2. Step 2: Convert to fraction form
    426,164.14/638,470.95 = 248,131.41/x
  3. Step 3: Cross multiply
    426,164.14x = 638,470.95 × 248,131.41
  4. Step 4: Simplify right side
    426,164.14x = 158,424,697,067.54
  5. Step 5: Solve for x
    x = 158,424,697,067.54/426,164.14
  6. Step 6: Final answer
    x = 371,745.72

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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.