Home / 251,901.32-347,636.69-143,013.29

Finding the Fourth Proportional to 251,901.32, 347,636.69 and 143,013.29

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Solution

The fourth proportional to 251,901.32, 347,636.69 and 143,013.29 is: 197,365.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,901.32 : 347,636.69 = 143,013.29 : x
  2. Step 2: Convert to fraction form
    251,901.32/347,636.69 = 143,013.29/x
  3. Step 3: Cross multiply
    251,901.32x = 347,636.69 × 143,013.29
  4. Step 4: Simplify right side
    251,901.32x = 49,716,664,308.36
  5. Step 5: Solve for x
    x = 49,716,664,308.36/251,901.32
  6. Step 6: Final answer
    x = 197,365.64

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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.