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Finding the Fourth Proportional to 333,385.88, 500,122.76 and 108,667.58

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Solution

The fourth proportional to 333,385.88, 500,122.76 and 108,667.58 is: 163,015.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,385.88 : 500,122.76 = 108,667.58 : x
  2. Step 2: Convert to fraction form
    333,385.88/500,122.76 = 108,667.58/x
  3. Step 3: Cross multiply
    333,385.88x = 500,122.76 × 108,667.58
  4. Step 4: Simplify right side
    333,385.88x = 54,347,126,988.17
  5. Step 5: Solve for x
    x = 54,347,126,988.17/333,385.88
  6. Step 6: Final answer
    x = 163,015.69

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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.