Home / 488,359.20-732,320.10-221,982.60

Finding the Fourth Proportional to 488,359.20, 732,320.10 and 221,982.60

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Solution

The fourth proportional to 488,359.20, 732,320.10 and 221,982.60 is: 332,874.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,359.20 : 732,320.10 = 221,982.60 : x
  2. Step 2: Convert to fraction form
    488,359.20/732,320.10 = 221,982.60/x
  3. Step 3: Cross multiply
    488,359.20x = 732,320.10 × 221,982.60
  4. Step 4: Simplify right side
    488,359.20x = 162,562,319,830.26
  5. Step 5: Solve for x
    x = 162,562,319,830.26/488,359.20
  6. Step 6: Final answer
    x = 332,874.49

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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.