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Finding the Fourth Proportional to 275,800.41, 380,609.73 and 153,304.29

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Solution

The fourth proportional to 275,800.41, 380,609.73 and 153,304.29 is: 211,562.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,800.41 : 380,609.73 = 153,304.29 : x
  2. Step 2: Convert to fraction form
    275,800.41/380,609.73 = 153,304.29/x
  3. Step 3: Cross multiply
    275,800.41x = 380,609.73 × 153,304.29
  4. Step 4: Simplify right side
    275,800.41x = 58,349,104,424.74
  5. Step 5: Solve for x
    x = 58,349,104,424.74/275,800.41
  6. Step 6: Final answer
    x = 211,562.79

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1.5x scale

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.