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Finding the Fourth Proportional to 662,795.60, 994,339.20 and 213,537.20

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Solution

The fourth proportional to 662,795.60, 994,339.20 and 213,537.20 is: 320,352.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,795.60 : 994,339.20 = 213,537.20 : x
  2. Step 2: Convert to fraction form
    662,795.60/994,339.20 = 213,537.20/x
  3. Step 3: Cross multiply
    662,795.60x = 994,339.20 × 213,537.20
  4. Step 4: Simplify right side
    662,795.60x = 212,328,408,618.24
  5. Step 5: Solve for x
    x = 212,328,408,618.24/662,795.60
  6. Step 6: Final answer
    x = 320,352.77

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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.