Home / 251,303.77-346,849.64-149,309.60

Finding the Fourth Proportional to 251,303.77, 346,849.64 and 149,309.60

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Solution

The fourth proportional to 251,303.77, 346,849.64 and 149,309.60 is: 206,077.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,303.77 : 346,849.64 = 149,309.60 : x
  2. Step 2: Convert to fraction form
    251,303.77/346,849.64 = 149,309.60/x
  3. Step 3: Cross multiply
    251,303.77x = 346,849.64 × 149,309.60
  4. Step 4: Simplify right side
    251,303.77x = 51,787,981,008.54
  5. Step 5: Solve for x
    x = 51,787,981,008.54/251,303.77
  6. Step 6: Final answer
    x = 206,077.21

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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.