Home / 207,048.27-310,255.62-139,329.52

Finding the Fourth Proportional to 207,048.27, 310,255.62 and 139,329.52

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Solution

The fourth proportional to 207,048.27, 310,255.62 and 139,329.52 is: 208,781.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,048.27 : 310,255.62 = 139,329.52 : x
  2. Step 2: Convert to fraction form
    207,048.27/310,255.62 = 139,329.52/x
  3. Step 3: Cross multiply
    207,048.27x = 310,255.62 × 139,329.52
  4. Step 4: Simplify right side
    207,048.27x = 43,227,765,915.25
  5. Step 5: Solve for x
    x = 43,227,765,915.25/207,048.27
  6. Step 6: Final answer
    x = 208,781.10

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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.