Home / 213,778.44-320,658.46-56,003.40

Finding the Fourth Proportional to 213,778.44, 320,658.46 and 56,003.40

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Solution

The fourth proportional to 213,778.44, 320,658.46 and 56,003.40 is: 84,002.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,778.44 : 320,658.46 = 56,003.40 : x
  2. Step 2: Convert to fraction form
    213,778.44/320,658.46 = 56,003.40/x
  3. Step 3: Cross multiply
    213,778.44x = 320,658.46 × 56,003.40
  4. Step 4: Simplify right side
    213,778.44x = 17,957,963,998.76
  5. Step 5: Solve for x
    x = 17,957,963,998.76/213,778.44
  6. Step 6: Final answer
    x = 84,002.69

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1.5x scale

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.