Home / 213,332.34-320,017.14-55,560.54

Finding the Fourth Proportional to 213,332.34, 320,017.14 and 55,560.54

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Solution

The fourth proportional to 213,332.34, 320,017.14 and 55,560.54 is: 83,345.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,332.34 : 320,017.14 = 55,560.54 : x
  2. Step 2: Convert to fraction form
    213,332.34/320,017.14 = 55,560.54/x
  3. Step 3: Cross multiply
    213,332.34x = 320,017.14 × 55,560.54
  4. Step 4: Simplify right side
    213,332.34x = 17,780,325,107.66
  5. Step 5: Solve for x
    x = 17,780,325,107.66/213,332.34
  6. Step 6: Final answer
    x = 83,345.66

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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.