Home / 381,480.48-526,433.04-211,710.24

Finding the Fourth Proportional to 381,480.48, 526,433.04 and 211,710.24

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Solution

The fourth proportional to 381,480.48, 526,433.04 and 211,710.24 is: 292,154.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,480.48 : 526,433.04 = 211,710.24 : x
  2. Step 2: Convert to fraction form
    381,480.48/526,433.04 = 211,710.24/x
  3. Step 3: Cross multiply
    381,480.48x = 526,433.04 × 211,710.24
  4. Step 4: Simplify right side
    381,480.48x = 111,451,265,242.33
  5. Step 5: Solve for x
    x = 111,451,265,242.33/381,480.48
  6. Step 6: Final answer
    x = 292,154.57

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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.