Home / 219,455.34-302,844.74-122,661.46

Finding the Fourth Proportional to 219,455.34, 302,844.74 and 122,661.46

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Solution

The fourth proportional to 219,455.34, 302,844.74 and 122,661.46 is: 169,270.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,455.34 : 302,844.74 = 122,661.46 : x
  2. Step 2: Convert to fraction form
    219,455.34/302,844.74 = 122,661.46/x
  3. Step 3: Cross multiply
    219,455.34x = 302,844.74 × 122,661.46
  4. Step 4: Simplify right side
    219,455.34x = 37,147,377,961.72
  5. Step 5: Solve for x
    x = 37,147,377,961.72/219,455.34
  6. Step 6: Final answer
    x = 169,270.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.