Home / 248,301.26-342,632.02-139,380.65

Finding the Fourth Proportional to 248,301.26, 342,632.02 and 139,380.65

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Solution

The fourth proportional to 248,301.26, 342,632.02 and 139,380.65 is: 192,331.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,301.26 : 342,632.02 = 139,380.65 : x
  2. Step 2: Convert to fraction form
    248,301.26/342,632.02 = 139,380.65/x
  3. Step 3: Cross multiply
    248,301.26x = 342,632.02 × 139,380.65
  4. Step 4: Simplify right side
    248,301.26x = 47,756,273,658.41
  5. Step 5: Solve for x
    x = 47,756,273,658.41/248,301.26
  6. Step 6: Final answer
    x = 192,331.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.