Home / 251,380.42-346,903.52-142,505.30

Finding the Fourth Proportional to 251,380.42, 346,903.52 and 142,505.30

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Solution

The fourth proportional to 251,380.42, 346,903.52 and 142,505.30 is: 196,656.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,380.42 : 346,903.52 = 142,505.30 : x
  2. Step 2: Convert to fraction form
    251,380.42/346,903.52 = 142,505.30/x
  3. Step 3: Cross multiply
    251,380.42x = 346,903.52 × 142,505.30
  4. Step 4: Simplify right side
    251,380.42x = 49,435,590,188.66
  5. Step 5: Solve for x
    x = 49,435,590,188.66/251,380.42
  6. Step 6: Final answer
    x = 196,656.49

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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.