Home / 219,406.41-302,786.82-123,927.30

Finding the Fourth Proportional to 219,406.41, 302,786.82 and 123,927.30

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Solution

The fourth proportional to 219,406.41, 302,786.82 and 123,927.30 is: 171,023.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,406.41 : 302,786.82 = 123,927.30 : x
  2. Step 2: Convert to fraction form
    219,406.41/302,786.82 = 123,927.30/x
  3. Step 3: Cross multiply
    219,406.41x = 302,786.82 × 123,927.30
  4. Step 4: Simplify right side
    219,406.41x = 37,523,553,078.19
  5. Step 5: Solve for x
    x = 37,523,553,078.19/219,406.41
  6. Step 6: Final answer
    x = 171,023.05

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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.