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Finding the Fourth Proportional to 201,603.20, 302,404.80 and 193,411.20

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Solution

The fourth proportional to 201,603.20, 302,404.80 and 193,411.20 is: 290,116.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,603.20 : 302,404.80 = 193,411.20 : x
  2. Step 2: Convert to fraction form
    201,603.20/302,404.80 = 193,411.20/x
  3. Step 3: Cross multiply
    201,603.20x = 302,404.80 × 193,411.20
  4. Step 4: Simplify right side
    201,603.20x = 58,488,475,253.76
  5. Step 5: Solve for x
    x = 58,488,475,253.76/201,603.20
  6. Step 6: Final answer
    x = 290,116.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.