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Finding the Fourth Proportional to 555,016.34, 832,524.56 and 134,292.21

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Solution

The fourth proportional to 555,016.34, 832,524.56 and 134,292.21 is: 201,438.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,016.34 : 832,524.56 = 134,292.21 : x
  2. Step 2: Convert to fraction form
    555,016.34/832,524.56 = 134,292.21/x
  3. Step 3: Cross multiply
    555,016.34x = 832,524.56 × 134,292.21
  4. Step 4: Simplify right side
    555,016.34x = 111,801,562,370.22
  5. Step 5: Solve for x
    x = 111,801,562,370.22/555,016.34
  6. Step 6: Final answer
    x = 201,438.33

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.