Home / 246,291.18-339,875.04-138,860.28

Finding the Fourth Proportional to 246,291.18, 339,875.04 and 138,860.28

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Solution

The fourth proportional to 246,291.18, 339,875.04 and 138,860.28 is: 191,623.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,291.18 : 339,875.04 = 138,860.28 : x
  2. Step 2: Convert to fraction form
    246,291.18/339,875.04 = 138,860.28/x
  3. Step 3: Cross multiply
    246,291.18x = 339,875.04 × 138,860.28
  4. Step 4: Simplify right side
    246,291.18x = 47,195,143,219.41
  5. Step 5: Solve for x
    x = 47,195,143,219.41/246,291.18
  6. Step 6: Final answer
    x = 191,623.36

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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.