Home / 277,720.20-383,255.28-150,396.30

Finding the Fourth Proportional to 277,720.20, 383,255.28 and 150,396.30

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Solution

The fourth proportional to 277,720.20, 383,255.28 and 150,396.30 is: 207,547.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,720.20 : 383,255.28 = 150,396.30 : x
  2. Step 2: Convert to fraction form
    277,720.20/383,255.28 = 150,396.30/x
  3. Step 3: Cross multiply
    277,720.20x = 383,255.28 × 150,396.30
  4. Step 4: Simplify right side
    277,720.20x = 57,640,176,067.46
  5. Step 5: Solve for x
    x = 57,640,176,067.46/277,720.20
  6. Step 6: Final answer
    x = 207,547.65

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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.