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Finding the Fourth Proportional to 302,265.06, 453,300.99 and 99,816.09

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Solution

The fourth proportional to 302,265.06, 453,300.99 and 99,816.09 is: 149,692.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,265.06 : 453,300.99 = 99,816.09 : x
  2. Step 2: Convert to fraction form
    302,265.06/453,300.99 = 99,816.09/x
  3. Step 3: Cross multiply
    302,265.06x = 453,300.99 × 99,816.09
  4. Step 4: Simplify right side
    302,265.06x = 45,246,732,414.93
  5. Step 5: Solve for x
    x = 45,246,732,414.93/302,265.06
  6. Step 6: Final answer
    x = 149,692.24

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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.