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Finding the Fourth Proportional to 381,703.04, 526,734.24 and 211,927.04

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Solution

The fourth proportional to 381,703.04, 526,734.24 and 211,927.04 is: 292,450.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,703.04 : 526,734.24 = 211,927.04 : x
  2. Step 2: Convert to fraction form
    381,703.04/526,734.24 = 211,927.04/x
  3. Step 3: Cross multiply
    381,703.04x = 526,734.24 × 211,927.04
  4. Step 4: Simplify right side
    381,703.04x = 111,629,228,349.85
  5. Step 5: Solve for x
    x = 111,629,228,349.85/381,703.04
  6. Step 6: Final answer
    x = 292,450.46

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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.