Home / 381,466.15-526,860.18-251,226

Finding the Fourth Proportional to 381,466.15, 526,860.18 and 251,226

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Solution

The fourth proportional to 381,466.15, 526,860.18 and 251,226 is: 346,979.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,466.15 : 526,860.18 = 251,226 : x
  2. Step 2: Convert to fraction form
    381,466.15/526,860.18 = 251,226/x
  3. Step 3: Cross multiply
    381,466.15x = 526,860.18 × 251,226
  4. Step 4: Simplify right side
    381,466.15x = 132,360,975,580.68
  5. Step 5: Solve for x
    x = 132,360,975,580.68/381,466.15
  6. Step 6: Final answer
    x = 346,979.61

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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.