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Finding the Fourth Proportional to 230,533.64, 345,801.09 and 88,422.47

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Solution

The fourth proportional to 230,533.64, 345,801.09 and 88,422.47 is: 132,633.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,533.64 : 345,801.09 = 88,422.47 : x
  2. Step 2: Convert to fraction form
    230,533.64/345,801.09 = 88,422.47/x
  3. Step 3: Cross multiply
    230,533.64x = 345,801.09 × 88,422.47
  4. Step 4: Simplify right side
    230,533.64x = 30,576,586,727.55
  5. Step 5: Solve for x
    x = 30,576,586,727.55/230,533.64
  6. Step 6: Final answer
    x = 132,633.95

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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.