Home / 245,851.99-339,291.38-149,065.12

Finding the Fourth Proportional to 245,851.99, 339,291.38 and 149,065.12

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Solution

The fourth proportional to 245,851.99, 339,291.38 and 149,065.12 is: 205,719.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,851.99 : 339,291.38 = 149,065.12 : x
  2. Step 2: Convert to fraction form
    245,851.99/339,291.38 = 149,065.12/x
  3. Step 3: Cross multiply
    245,851.99x = 339,291.38 × 149,065.12
  4. Step 4: Simplify right side
    245,851.99x = 50,576,510,274.67
  5. Step 5: Solve for x
    x = 50,576,510,274.67/245,851.99
  6. Step 6: Final answer
    x = 205,719.34

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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.