Home / 246,410.02-340,045.36-138,979.72

Finding the Fourth Proportional to 246,410.02, 340,045.36 and 138,979.72

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Solution

The fourth proportional to 246,410.02, 340,045.36 and 138,979.72 is: 191,791.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,410.02 : 340,045.36 = 138,979.72 : x
  2. Step 2: Convert to fraction form
    246,410.02/340,045.36 = 138,979.72/x
  3. Step 3: Cross multiply
    246,410.02x = 340,045.36 × 138,979.72
  4. Step 4: Simplify right side
    246,410.02x = 47,259,408,920.10
  5. Step 5: Solve for x
    x = 47,259,408,920.10/246,410.02
  6. Step 6: Final answer
    x = 191,791.75

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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.