Home / 251,328-346,833.36-143,899.68

Finding the Fourth Proportional to 251,328, 346,833.36 and 143,899.68

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Solution

The fourth proportional to 251,328, 346,833.36 and 143,899.68 is: 198,581.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,328 : 346,833.36 = 143,899.68 : x
  2. Step 2: Convert to fraction form
    251,328/346,833.36 = 143,899.68/x
  3. Step 3: Cross multiply
    251,328x = 346,833.36 × 143,899.68
  4. Step 4: Simplify right side
    251,328x = 49,909,209,517.32
  5. Step 5: Solve for x
    x = 49,909,209,517.32/251,328
  6. Step 6: Final answer
    x = 198,581.97

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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.