Home / 381,187.13-526,101.23-211,475.93

Finding the Fourth Proportional to 381,187.13, 526,101.23 and 211,475.93

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Solution

The fourth proportional to 381,187.13, 526,101.23 and 211,475.93 is: 291,871.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,187.13 : 526,101.23 = 211,475.93 : x
  2. Step 2: Convert to fraction form
    381,187.13/526,101.23 = 211,475.93/x
  3. Step 3: Cross multiply
    381,187.13x = 526,101.23 × 211,475.93
  4. Step 4: Simplify right side
    381,187.13x = 111,257,746,888.39
  5. Step 5: Solve for x
    x = 111,257,746,888.39/381,187.13
  6. Step 6: Final answer
    x = 291,871.73

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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.