Home / 384,177.20-576,265.80-290,865.20

Finding the Fourth Proportional to 384,177.20, 576,265.80 and 290,865.20

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Solution

The fourth proportional to 384,177.20, 576,265.80 and 290,865.20 is: 436,297.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,177.20 : 576,265.80 = 290,865.20 : x
  2. Step 2: Convert to fraction form
    384,177.20/576,265.80 = 290,865.20/x
  3. Step 3: Cross multiply
    384,177.20x = 576,265.80 × 290,865.20
  4. Step 4: Simplify right side
    384,177.20x = 167,615,667,170.16
  5. Step 5: Solve for x
    x = 167,615,667,170.16/384,177.20
  6. Step 6: Final answer
    x = 436,297.80

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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.