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Finding the Fourth Proportional to 294,073.20, 441,109.80 and 153,874.80

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Solution

The fourth proportional to 294,073.20, 441,109.80 and 153,874.80 is: 230,812.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,073.20 : 441,109.80 = 153,874.80 : x
  2. Step 2: Convert to fraction form
    294,073.20/441,109.80 = 153,874.80/x
  3. Step 3: Cross multiply
    294,073.20x = 441,109.80 × 153,874.80
  4. Step 4: Simplify right side
    294,073.20x = 67,875,682,253.04
  5. Step 5: Solve for x
    x = 67,875,682,253.04/294,073.20
  6. Step 6: Final answer
    x = 230,812.20

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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.