Home / 245,943.35-339,426.03-143,962.63

Finding the Fourth Proportional to 245,943.35, 339,426.03 and 143,962.63

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Solution

The fourth proportional to 245,943.35, 339,426.03 and 143,962.63 is: 198,682.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,943.35 : 339,426.03 = 143,962.63 : x
  2. Step 2: Convert to fraction form
    245,943.35/339,426.03 = 143,962.63/x
  3. Step 3: Cross multiply
    245,943.35x = 339,426.03 × 143,962.63
  4. Step 4: Simplify right side
    245,943.35x = 48,864,663,120.69
  5. Step 5: Solve for x
    x = 48,864,663,120.69/245,943.35
  6. Step 6: Final answer
    x = 198,682.60

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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.