Home / 246,290.30-339,875.78-138,858.18

Finding the Fourth Proportional to 246,290.30, 339,875.78 and 138,858.18

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Solution

The fourth proportional to 246,290.30, 339,875.78 and 138,858.18 is: 191,621.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,290.30 : 339,875.78 = 138,858.18 : x
  2. Step 2: Convert to fraction form
    246,290.30/339,875.78 = 138,858.18/x
  3. Step 3: Cross multiply
    246,290.30x = 339,875.78 × 138,858.18
  4. Step 4: Simplify right side
    246,290.30x = 47,194,532,236.88
  5. Step 5: Solve for x
    x = 47,194,532,236.88/246,290.30
  6. Step 6: Final answer
    x = 191,621.56

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1.5x scale

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.