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Finding the Fourth Proportional to 333,790.88, 500,749.09 and 134,127.09

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Solution

The fourth proportional to 333,790.88, 500,749.09 and 134,127.09 is: 201,215.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,790.88 : 500,749.09 = 134,127.09 : x
  2. Step 2: Convert to fraction form
    333,790.88/500,749.09 = 134,127.09/x
  3. Step 3: Cross multiply
    333,790.88x = 500,749.09 × 134,127.09
  4. Step 4: Simplify right side
    333,790.88x = 67,164,017,926.53
  5. Step 5: Solve for x
    x = 67,164,017,926.53/333,790.88
  6. Step 6: Final answer
    x = 201,215.86

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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.