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Finding the Fourth Proportional to 275,801.41, 380,611.11 and 153,305.29

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Solution

The fourth proportional to 275,801.41, 380,611.11 and 153,305.29 is: 211,564.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,801.41 : 380,611.11 = 153,305.29 : x
  2. Step 2: Convert to fraction form
    275,801.41/380,611.11 = 153,305.29/x
  3. Step 3: Cross multiply
    275,801.41x = 380,611.11 × 153,305.29
  4. Step 4: Simplify right side
    275,801.41x = 58,349,696,595.77
  5. Step 5: Solve for x
    x = 58,349,696,595.77/275,801.41
  6. Step 6: Final answer
    x = 211,564.17

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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.