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Finding the Fourth Proportional to 311,215.60, 465,948.60 and 302,467.60

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Solution

The fourth proportional to 311,215.60, 465,948.60 and 302,467.60 is: 452,851.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,215.60 : 465,948.60 = 302,467.60 : x
  2. Step 2: Convert to fraction form
    311,215.60/465,948.60 = 302,467.60/x
  3. Step 3: Cross multiply
    311,215.60x = 465,948.60 × 302,467.60
  4. Step 4: Simplify right side
    311,215.60x = 140,934,354,765.36
  5. Step 5: Solve for x
    x = 140,934,354,765.36/311,215.60
  6. Step 6: Final answer
    x = 452,851.19

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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.