Home / 354,147.29-531,273.22-126,425.23

Finding the Fourth Proportional to 354,147.29, 531,273.22 and 126,425.23

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Solution

The fourth proportional to 354,147.29, 531,273.22 and 126,425.23 is: 189,656.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,147.29 : 531,273.22 = 126,425.23 : x
  2. Step 2: Convert to fraction form
    354,147.29/531,273.22 = 126,425.23/x
  3. Step 3: Cross multiply
    354,147.29x = 531,273.22 × 126,425.23
  4. Step 4: Simplify right side
    354,147.29x = 67,166,338,703.51
  5. Step 5: Solve for x
    x = 67,166,338,703.51/354,147.29
  6. Step 6: Final answer
    x = 189,656.51

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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.