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Finding the Fourth Proportional to 302,880.84, 454,532.07 and 125,388.78

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Solution

The fourth proportional to 302,880.84, 454,532.07 and 125,388.78 is: 188,170.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,880.84 : 454,532.07 = 125,388.78 : x
  2. Step 2: Convert to fraction form
    302,880.84/454,532.07 = 125,388.78/x
  3. Step 3: Cross multiply
    302,880.84x = 454,532.07 × 125,388.78
  4. Step 4: Simplify right side
    302,880.84x = 56,993,220,493.89
  5. Step 5: Solve for x
    x = 56,993,220,493.89/302,880.84
  6. Step 6: Final answer
    x = 188,170.44

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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.