Home / 230,239.85-315,429.74-221,610.75

Finding the Fourth Proportional to 230,239.85, 315,429.74 and 221,610.75

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Solution

The fourth proportional to 230,239.85, 315,429.74 and 221,610.75 is: 303,607.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,239.85 : 315,429.74 = 221,610.75 : x
  2. Step 2: Convert to fraction form
    230,239.85/315,429.74 = 221,610.75/x
  3. Step 3: Cross multiply
    230,239.85x = 315,429.74 × 221,610.75
  4. Step 4: Simplify right side
    230,239.85x = 69,902,621,253.71
  5. Step 5: Solve for x
    x = 69,902,621,253.71/230,239.85
  6. Step 6: Final answer
    x = 303,607.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.