Home / 246,298.49-339,892.40-138,868.28

Finding the Fourth Proportional to 246,298.49, 339,892.40 and 138,868.28

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Solution

The fourth proportional to 246,298.49, 339,892.40 and 138,868.28 is: 191,638.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,298.49 : 339,892.40 = 138,868.28 : x
  2. Step 2: Convert to fraction form
    246,298.49/339,892.40 = 138,868.28/x
  3. Step 3: Cross multiply
    246,298.49x = 339,892.40 × 138,868.28
  4. Step 4: Simplify right side
    246,298.49x = 47,200,272,973.07
  5. Step 5: Solve for x
    x = 47,200,272,973.07/246,298.49
  6. Step 6: Final answer
    x = 191,638.50

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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.