Home / 224,266.68-309,490.41-122,291.28

Finding the Fourth Proportional to 224,266.68, 309,490.41 and 122,291.28

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Solution

The fourth proportional to 224,266.68, 309,490.41 and 122,291.28 is: 168,763.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,266.68 : 309,490.41 = 122,291.28 : x
  2. Step 2: Convert to fraction form
    224,266.68/309,490.41 = 122,291.28/x
  3. Step 3: Cross multiply
    224,266.68x = 309,490.41 × 122,291.28
  4. Step 4: Simplify right side
    224,266.68x = 37,847,978,386.62
  5. Step 5: Solve for x
    x = 37,847,978,386.62/224,266.68
  6. Step 6: Final answer
    x = 168,763.27

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1.5x scale

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.