Home / 270,049.03-405,327.78-137,024.75

Finding the Fourth Proportional to 270,049.03, 405,327.78 and 137,024.75

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Solution

The fourth proportional to 270,049.03, 405,327.78 and 137,024.75 is: 205,666.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,049.03 : 405,327.78 = 137,024.75 : x
  2. Step 2: Convert to fraction form
    270,049.03/405,327.78 = 137,024.75/x
  3. Step 3: Cross multiply
    270,049.03x = 405,327.78 × 137,024.75
  4. Step 4: Simplify right side
    270,049.03x = 55,539,938,735.87
  5. Step 5: Solve for x
    x = 55,539,938,735.87/270,049.03
  6. Step 6: Final answer
    x = 205,666.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.