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Finding the Fourth Proportional to 302,603.89, 453,481.02 and 239,145.04

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Solution

The fourth proportional to 302,603.89, 453,481.02 and 239,145.04 is: 358,381.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,603.89 : 453,481.02 = 239,145.04 : x
  2. Step 2: Convert to fraction form
    302,603.89/453,481.02 = 239,145.04/x
  3. Step 3: Cross multiply
    302,603.89x = 453,481.02 × 239,145.04
  4. Step 4: Simplify right side
    302,603.89x = 108,447,736,667.14
  5. Step 5: Solve for x
    x = 108,447,736,667.14/302,603.89
  6. Step 6: Final answer
    x = 358,381.83

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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.