Home / 340,021.28-510,032.26-126,785.92

Finding the Fourth Proportional to 340,021.28, 510,032.26 and 126,785.92

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Solution

The fourth proportional to 340,021.28, 510,032.26 and 126,785.92 is: 190,179.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,021.28 : 510,032.26 = 126,785.92 : x
  2. Step 2: Convert to fraction form
    340,021.28/510,032.26 = 126,785.92/x
  3. Step 3: Cross multiply
    340,021.28x = 510,032.26 × 126,785.92
  4. Step 4: Simplify right side
    340,021.28x = 64,664,909,313.78
  5. Step 5: Solve for x
    x = 64,664,909,313.78/340,021.28
  6. Step 6: Final answer
    x = 190,179.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.