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Finding the Fourth Proportional to 302,651.60, 453,977.40 and 81,035.60

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Solution

The fourth proportional to 302,651.60, 453,977.40 and 81,035.60 is: 121,553.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,651.60 : 453,977.40 = 81,035.60 : x
  2. Step 2: Convert to fraction form
    302,651.60/453,977.40 = 81,035.60/x
  3. Step 3: Cross multiply
    302,651.60x = 453,977.40 × 81,035.60
  4. Step 4: Simplify right side
    302,651.60x = 36,788,330,995.44
  5. Step 5: Solve for x
    x = 36,788,330,995.44/302,651.60
  6. Step 6: Final answer
    x = 121,553.40

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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.