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Finding the Fourth Proportional to 69,000.80, 103,491.60 and 22,258.40

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Solution

The fourth proportional to 69,000.80, 103,491.60 and 22,258.40 is: 33,384.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,000.80 : 103,491.60 = 22,258.40 : x
  2. Step 2: Convert to fraction form
    69,000.80/103,491.60 = 22,258.40/x
  3. Step 3: Cross multiply
    69,000.80x = 103,491.60 × 22,258.40
  4. Step 4: Simplify right side
    69,000.80x = 2,303,557,429.44
  5. Step 5: Solve for x
    x = 2,303,557,429.44/69,000.80
  6. Step 6: Final answer
    x = 33,384.50

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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.