Home / 338,106.06-507,253.89-135,844.20

Finding the Fourth Proportional to 338,106.06, 507,253.89 and 135,844.20

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Solution

The fourth proportional to 338,106.06, 507,253.89 and 135,844.20 is: 203,804.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,106.06 : 507,253.89 = 135,844.20 : x
  2. Step 2: Convert to fraction form
    338,106.06/507,253.89 = 135,844.20/x
  3. Step 3: Cross multiply
    338,106.06x = 507,253.89 × 135,844.20
  4. Step 4: Simplify right side
    338,106.06x = 68,907,498,883.94
  5. Step 5: Solve for x
    x = 68,907,498,883.94/338,106.06
  6. Step 6: Final answer
    x = 203,804.39

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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.