Home / 805,358.67-1,208,038.30-236,739.78

Finding the Fourth Proportional to 805,358.67, 1,208,038.30 and 236,739.78

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Solution

The fourth proportional to 805,358.67, 1,208,038.30 and 236,739.78 is: 355,109.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,358.67 : 1,208,038.30 = 236,739.78 : x
  2. Step 2: Convert to fraction form
    805,358.67/1,208,038.30 = 236,739.78/x
  3. Step 3: Cross multiply
    805,358.67x = 1,208,038.30 × 236,739.78
  4. Step 4: Simplify right side
    805,358.67x = 285,990,722,113.39
  5. Step 5: Solve for x
    x = 285,990,722,113.39/805,358.67
  6. Step 6: Final answer
    x = 355,109.76

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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.