Home / 245,943.47-339,426.20-143,962.75

Finding the Fourth Proportional to 245,943.47, 339,426.20 and 143,962.75

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Solution

The fourth proportional to 245,943.47, 339,426.20 and 143,962.75 is: 198,682.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,943.47 : 339,426.20 = 143,962.75 : x
  2. Step 2: Convert to fraction form
    245,943.47/339,426.20 = 143,962.75/x
  3. Step 3: Cross multiply
    245,943.47x = 339,426.20 × 143,962.75
  4. Step 4: Simplify right side
    245,943.47x = 48,864,729,958.24
  5. Step 5: Solve for x
    x = 48,864,729,958.24/245,943.47
  6. Step 6: Final answer
    x = 198,682.77

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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.