Home / 278,469.28-384,277.33-151,142.14

Finding the Fourth Proportional to 278,469.28, 384,277.33 and 151,142.14

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Solution

The fourth proportional to 278,469.28, 384,277.33 and 151,142.14 is: 208,570.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,469.28 : 384,277.33 = 151,142.14 : x
  2. Step 2: Convert to fraction form
    278,469.28/384,277.33 = 151,142.14/x
  3. Step 3: Cross multiply
    278,469.28x = 384,277.33 × 151,142.14
  4. Step 4: Simplify right side
    278,469.28x = 58,080,498,009.69
  5. Step 5: Solve for x
    x = 58,080,498,009.69/278,469.28
  6. Step 6: Final answer
    x = 208,570.58

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1.5x scale

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.