Home / 427,372.11-589,802.85-246,131.78

Finding the Fourth Proportional to 427,372.11, 589,802.85 and 246,131.78

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Solution

The fourth proportional to 427,372.11, 589,802.85 and 246,131.78 is: 339,678.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,372.11 : 589,802.85 = 246,131.78 : x
  2. Step 2: Convert to fraction form
    427,372.11/589,802.85 = 246,131.78/x
  3. Step 3: Cross multiply
    427,372.11x = 589,802.85 × 246,131.78
  4. Step 4: Simplify right side
    427,372.11x = 145,169,222,370.56
  5. Step 5: Solve for x
    x = 145,169,222,370.56/427,372.11
  6. Step 6: Final answer
    x = 339,678.75

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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.