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Finding the Fourth Proportional to 219,904.11, 303,468.26 and 119,302.11

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Solution

The fourth proportional to 219,904.11, 303,468.26 and 119,302.11 is: 164,637.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,904.11 : 303,468.26 = 119,302.11 : x
  2. Step 2: Convert to fraction form
    219,904.11/303,468.26 = 119,302.11/x
  3. Step 3: Cross multiply
    219,904.11x = 303,468.26 × 119,302.11
  4. Step 4: Simplify right side
    219,904.11x = 36,204,403,139.52
  5. Step 5: Solve for x
    x = 36,204,403,139.52/219,904.11
  6. Step 6: Final answer
    x = 164,637.23

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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.