Home / 381,533.44-526,421.28-211,725.04

Finding the Fourth Proportional to 381,533.44, 526,421.28 and 211,725.04

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Solution

The fourth proportional to 381,533.44, 526,421.28 and 211,725.04 is: 292,127.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,533.44 : 526,421.28 = 211,725.04 : x
  2. Step 2: Convert to fraction form
    381,533.44/526,421.28 = 211,725.04/x
  3. Step 3: Cross multiply
    381,533.44x = 526,421.28 × 211,725.04
  4. Step 4: Simplify right side
    381,533.44x = 111,456,566,564.85
  5. Step 5: Solve for x
    x = 111,456,566,564.85/381,533.44
  6. Step 6: Final answer
    x = 292,127.91

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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.