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Finding the Fourth Proportional to 333,482.72, 500,272.20 and 108,787.59

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Solution

The fourth proportional to 333,482.72, 500,272.20 and 108,787.59 is: 163,197.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,482.72 : 500,272.20 = 108,787.59 : x
  2. Step 2: Convert to fraction form
    333,482.72/500,272.20 = 108,787.59/x
  3. Step 3: Cross multiply
    333,482.72x = 500,272.20 × 108,787.59
  4. Step 4: Simplify right side
    333,482.72x = 54,423,406,982.00
  5. Step 5: Solve for x
    x = 54,423,406,982.00/333,482.72
  6. Step 6: Final answer
    x = 163,197.08

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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.