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Finding the Fourth Proportional to 333,178.10, 499,766.76 and 108,538.18

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Solution

The fourth proportional to 333,178.10, 499,766.76 and 108,538.18 is: 162,807.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,178.10 : 499,766.76 = 108,538.18 : x
  2. Step 2: Convert to fraction form
    333,178.10/499,766.76 = 108,538.18/x
  3. Step 3: Cross multiply
    333,178.10x = 499,766.76 × 108,538.18
  4. Step 4: Simplify right side
    333,178.10x = 54,243,774,554.90
  5. Step 5: Solve for x
    x = 54,243,774,554.90/333,178.10
  6. Step 6: Final answer
    x = 162,807.14

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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.