Home / 251,700.36-347,354.38-142,809.29

Finding the Fourth Proportional to 251,700.36, 347,354.38 and 142,809.29

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Solution

The fourth proportional to 251,700.36, 347,354.38 and 142,809.29 is: 197,081.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,700.36 : 347,354.38 = 142,809.29 : x
  2. Step 2: Convert to fraction form
    251,700.36/347,354.38 = 142,809.29/x
  3. Step 3: Cross multiply
    251,700.36x = 347,354.38 × 142,809.29
  4. Step 4: Simplify right side
    251,700.36x = 49,605,431,327.21
  5. Step 5: Solve for x
    x = 49,605,431,327.21/251,700.36
  6. Step 6: Final answer
    x = 197,081.29

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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.