Home / 255,004.28-351,905.91-140,284.52

Finding the Fourth Proportional to 255,004.28, 351,905.91 and 140,284.52

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Solution

The fourth proportional to 255,004.28, 351,905.91 and 140,284.52 is: 193,592.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,004.28 : 351,905.91 = 140,284.52 : x
  2. Step 2: Convert to fraction form
    255,004.28/351,905.91 = 140,284.52/x
  3. Step 3: Cross multiply
    255,004.28x = 351,905.91 × 140,284.52
  4. Step 4: Simplify right side
    255,004.28x = 49,366,951,669.51
  5. Step 5: Solve for x
    x = 49,366,951,669.51/255,004.28
  6. Step 6: Final answer
    x = 193,592.64

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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.