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Finding the Fourth Proportional to 294,212.40, 440,443.80 and 276,910.80

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Solution

The fourth proportional to 294,212.40, 440,443.80 and 276,910.80 is: 414,542.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,212.40 : 440,443.80 = 276,910.80 : x
  2. Step 2: Convert to fraction form
    294,212.40/440,443.80 = 276,910.80/x
  3. Step 3: Cross multiply
    294,212.40x = 440,443.80 × 276,910.80
  4. Step 4: Simplify right side
    294,212.40x = 121,963,645,013.04
  5. Step 5: Solve for x
    x = 121,963,645,013.04/294,212.40
  6. Step 6: Final answer
    x = 414,542.84

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1.5x scale

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.