Home / 230,968.40-346,567.80-131,205.20

Finding the Fourth Proportional to 230,968.40, 346,567.80 and 131,205.20

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Solution

The fourth proportional to 230,968.40, 346,567.80 and 131,205.20 is: 196,873.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,968.40 : 346,567.80 = 131,205.20 : x
  2. Step 2: Convert to fraction form
    230,968.40/346,567.80 = 131,205.20/x
  3. Step 3: Cross multiply
    230,968.40x = 346,567.80 × 131,205.20
  4. Step 4: Simplify right side
    230,968.40x = 45,471,497,512.56
  5. Step 5: Solve for x
    x = 45,471,497,512.56/230,968.40
  6. Step 6: Final answer
    x = 196,873.24

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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.