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Finding the Fourth Proportional to 333,667.40, 500,528.82 and 109,023.08

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Solution

The fourth proportional to 333,667.40, 500,528.82 and 109,023.08 is: 163,543.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,667.40 : 500,528.82 = 109,023.08 : x
  2. Step 2: Convert to fraction form
    333,667.40/500,528.82 = 109,023.08/x
  3. Step 3: Cross multiply
    333,667.40x = 500,528.82 × 109,023.08
  4. Step 4: Simplify right side
    333,667.40x = 54,569,193,585.17
  5. Step 5: Solve for x
    x = 54,569,193,585.17/333,667.40
  6. Step 6: Final answer
    x = 163,543.68

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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.