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Finding the Fourth Proportional to 245,240, 367,860 and 70,136

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Solution

The fourth proportional to 245,240, 367,860 and 70,136 is: 105,204

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,240 : 367,860 = 70,136 : x
  2. Step 2: Convert to fraction form
    245,240/367,860 = 70,136/x
  3. Step 3: Cross multiply
    245,240x = 367,860 × 70,136
  4. Step 4: Simplify right side
    245,240x = 25,800,228,960
  5. Step 5: Solve for x
    x = 25,800,228,960/245,240
  6. Step 6: Final answer
    x = 105,204

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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.