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Finding the Fourth Proportional to 230,534.98, 345,634.39 and 155,468.64

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Solution

The fourth proportional to 230,534.98, 345,634.39 and 155,468.64 is: 233,089.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,534.98 : 345,634.39 = 155,468.64 : x
  2. Step 2: Convert to fraction form
    230,534.98/345,634.39 = 155,468.64/x
  3. Step 3: Cross multiply
    230,534.98x = 345,634.39 × 155,468.64
  4. Step 4: Simplify right side
    230,534.98x = 53,735,308,550.53
  5. Step 5: Solve for x
    x = 53,735,308,550.53/230,534.98
  6. Step 6: Final answer
    x = 233,089.61

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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.