Home / 294,430.20-441,645.30-154,231.80

Finding the Fourth Proportional to 294,430.20, 441,645.30 and 154,231.80

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Solution

The fourth proportional to 294,430.20, 441,645.30 and 154,231.80 is: 231,347.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,430.20 : 441,645.30 = 154,231.80 : x
  2. Step 2: Convert to fraction form
    294,430.20/441,645.30 = 154,231.80/x
  3. Step 3: Cross multiply
    294,430.20x = 441,645.30 × 154,231.80
  4. Step 4: Simplify right side
    294,430.20x = 68,115,749,580.54
  5. Step 5: Solve for x
    x = 68,115,749,580.54/294,430.20
  6. Step 6: Final answer
    x = 231,347.70

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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.