Home / 272,292.12-408,297.78-122,404.32

Finding the Fourth Proportional to 272,292.12, 408,297.78 and 122,404.32

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Solution

The fourth proportional to 272,292.12, 408,297.78 and 122,404.32 is: 183,543.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,292.12 : 408,297.78 = 122,404.32 : x
  2. Step 2: Convert to fraction form
    272,292.12/408,297.78 = 122,404.32/x
  3. Step 3: Cross multiply
    272,292.12x = 408,297.78 × 122,404.32
  4. Step 4: Simplify right side
    272,292.12x = 49,977,412,118.41
  5. Step 5: Solve for x
    x = 49,977,412,118.41/272,292.12
  6. Step 6: Final answer
    x = 183,543.37

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1.5x scale

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.