Home / 251,717.86-347,282.98-142,809.36

Finding the Fourth Proportional to 251,717.86, 347,282.98 and 142,809.36

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Solution

The fourth proportional to 251,717.86, 347,282.98 and 142,809.36 is: 197,027.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,717.86 : 347,282.98 = 142,809.36 : x
  2. Step 2: Convert to fraction form
    251,717.86/347,282.98 = 142,809.36/x
  3. Step 3: Cross multiply
    251,717.86x = 347,282.98 × 142,809.36
  4. Step 4: Simplify right side
    251,717.86x = 49,595,261,827.44
  5. Step 5: Solve for x
    x = 49,595,261,827.44/251,717.86
  6. Step 6: Final answer
    x = 197,027.19

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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.