Home / 246,918.68-340,742.86-138,022.48

Finding the Fourth Proportional to 246,918.68, 340,742.86 and 138,022.48

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Solution

The fourth proportional to 246,918.68, 340,742.86 and 138,022.48 is: 190,468.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,918.68 : 340,742.86 = 138,022.48 : x
  2. Step 2: Convert to fraction form
    246,918.68/340,742.86 = 138,022.48/x
  3. Step 3: Cross multiply
    246,918.68x = 340,742.86 × 138,022.48
  4. Step 4: Simplify right side
    246,918.68x = 47,030,174,579.49
  5. Step 5: Solve for x
    x = 47,030,174,579.49/246,918.68
  6. Step 6: Final answer
    x = 190,468.27

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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.