Home / 251,763.06-347,433.02-138,585.81

Finding the Fourth Proportional to 251,763.06, 347,433.02 and 138,585.81

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Solution

The fourth proportional to 251,763.06, 347,433.02 and 138,585.81 is: 191,248.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,763.06 : 347,433.02 = 138,585.81 : x
  2. Step 2: Convert to fraction form
    251,763.06/347,433.02 = 138,585.81/x
  3. Step 3: Cross multiply
    251,763.06x = 347,433.02 × 138,585.81
  4. Step 4: Simplify right side
    251,763.06x = 48,149,284,067.35
  5. Step 5: Solve for x
    x = 48,149,284,067.35/251,763.06
  6. Step 6: Final answer
    x = 191,248.41

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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.