Home / 240,259.68-331,558.92-138,291.48

Finding the Fourth Proportional to 240,259.68, 331,558.92 and 138,291.48

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Solution

The fourth proportional to 240,259.68, 331,558.92 and 138,291.48 is: 190,842.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,259.68 : 331,558.92 = 138,291.48 : x
  2. Step 2: Convert to fraction form
    240,259.68/331,558.92 = 138,291.48/x
  3. Step 3: Cross multiply
    240,259.68x = 331,558.92 × 138,291.48
  4. Step 4: Simplify right side
    240,259.68x = 45,851,773,754.00
  5. Step 5: Solve for x
    x = 45,851,773,754.00/240,259.68
  6. Step 6: Final answer
    x = 190,842.57

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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.