Home / 272,274.81-408,358.38-258,772.47

Finding the Fourth Proportional to 272,274.81, 408,358.38 and 258,772.47

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Solution

The fourth proportional to 272,274.81, 408,358.38 and 258,772.47 is: 388,107.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,274.81 : 408,358.38 = 258,772.47 : x
  2. Step 2: Convert to fraction form
    272,274.81/408,358.38 = 258,772.47/x
  3. Step 3: Cross multiply
    272,274.81x = 408,358.38 × 258,772.47
  4. Step 4: Simplify right side
    272,274.81x = 105,671,906,637.80
  5. Step 5: Solve for x
    x = 105,671,906,637.80/272,274.81
  6. Step 6: Final answer
    x = 388,107.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.