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Finding the Fourth Proportional to 245,118.25, 367,698.55 and 67,625.25

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Solution

The fourth proportional to 245,118.25, 367,698.55 and 67,625.25 is: 101,443.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,118.25 : 367,698.55 = 67,625.25 : x
  2. Step 2: Convert to fraction form
    245,118.25/367,698.55 = 67,625.25/x
  3. Step 3: Cross multiply
    245,118.25x = 367,698.55 × 67,625.25
  4. Step 4: Simplify right side
    245,118.25x = 24,865,706,368.39
  5. Step 5: Solve for x
    x = 24,865,706,368.39/245,118.25
  6. Step 6: Final answer
    x = 101,443.72

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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.