Home / 231,621.30-346,913.55-190,149.30

Finding the Fourth Proportional to 231,621.30, 346,913.55 and 190,149.30

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Solution

The fourth proportional to 231,621.30, 346,913.55 and 190,149.30 is: 284,798.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,621.30 : 346,913.55 = 190,149.30 : x
  2. Step 2: Convert to fraction form
    231,621.30/346,913.55 = 190,149.30/x
  3. Step 3: Cross multiply
    231,621.30x = 346,913.55 × 190,149.30
  4. Step 4: Simplify right side
    231,621.30x = 65,965,368,693.02
  5. Step 5: Solve for x
    x = 65,965,368,693.02/231,621.30
  6. Step 6: Final answer
    x = 284,798.37

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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.