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Finding the Fourth Proportional to 230,131.96, 317,517.94 and 148,425.64

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Solution

The fourth proportional to 230,131.96, 317,517.94 and 148,425.64 is: 204,786.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,131.96 : 317,517.94 = 148,425.64 : x
  2. Step 2: Convert to fraction form
    230,131.96/317,517.94 = 148,425.64/x
  3. Step 3: Cross multiply
    230,131.96x = 317,517.94 × 148,425.64
  4. Step 4: Simplify right side
    230,131.96x = 47,127,803,455.98
  5. Step 5: Solve for x
    x = 47,127,803,455.98/230,131.96
  6. Step 6: Final answer
    x = 204,786.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.