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Finding the Fourth Proportional to 245,238, 367,857 and 70,134

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Solution

The fourth proportional to 245,238, 367,857 and 70,134 is: 105,201

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,238 : 367,857 = 70,134 : x
  2. Step 2: Convert to fraction form
    245,238/367,857 = 70,134/x
  3. Step 3: Cross multiply
    245,238x = 367,857 × 70,134
  4. Step 4: Simplify right side
    245,238x = 25,799,282,838
  5. Step 5: Solve for x
    x = 25,799,282,838/245,238
  6. Step 6: Final answer
    x = 105,201

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.