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Finding the Fourth Proportional to 283,131.52, 390,698.03 and 166,826.86

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Solution

The fourth proportional to 283,131.52, 390,698.03 and 166,826.86 is: 230,207.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,131.52 : 390,698.03 = 166,826.86 : x
  2. Step 2: Convert to fraction form
    283,131.52/390,698.03 = 166,826.86/x
  3. Step 3: Cross multiply
    283,131.52x = 390,698.03 × 166,826.86
  4. Step 4: Simplify right side
    283,131.52x = 65,178,924,993.41
  5. Step 5: Solve for x
    x = 65,178,924,993.41/283,131.52
  6. Step 6: Final answer
    x = 230,207.24

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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.