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Finding the Fourth Proportional to 302,310.90, 453,815.55 and 162,342.90

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Solution

The fourth proportional to 302,310.90, 453,815.55 and 162,342.90 is: 243,701.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,310.90 : 453,815.55 = 162,342.90 : x
  2. Step 2: Convert to fraction form
    302,310.90/453,815.55 = 162,342.90/x
  3. Step 3: Cross multiply
    302,310.90x = 453,815.55 × 162,342.90
  4. Step 4: Simplify right side
    302,310.90x = 73,673,732,452.10
  5. Step 5: Solve for x
    x = 73,673,732,452.10/302,310.90
  6. Step 6: Final answer
    x = 243,701.87

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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.