Home / 427,147.43-589,444.29-245,864.97

Finding the Fourth Proportional to 427,147.43, 589,444.29 and 245,864.97

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Solution

The fourth proportional to 427,147.43, 589,444.29 and 245,864.97 is: 339,282.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,147.43 : 589,444.29 = 245,864.97 : x
  2. Step 2: Convert to fraction form
    427,147.43/589,444.29 = 245,864.97/x
  3. Step 3: Cross multiply
    427,147.43x = 589,444.29 × 245,864.97
  4. Step 4: Simplify right side
    427,147.43x = 144,923,702,677.52
  5. Step 5: Solve for x
    x = 144,923,702,677.52/427,147.43
  6. Step 6: Final answer
    x = 339,282.63

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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.