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Finding the Fourth Proportional to 539,420.60, 809,325.30 and 224,103.80

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Solution

The fourth proportional to 539,420.60, 809,325.30 and 224,103.80 is: 336,236.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,420.60 : 809,325.30 = 224,103.80 : x
  2. Step 2: Convert to fraction form
    539,420.60/809,325.30 = 224,103.80/x
  3. Step 3: Cross multiply
    539,420.60x = 809,325.30 × 224,103.80
  4. Step 4: Simplify right side
    539,420.60x = 181,372,875,166.14
  5. Step 5: Solve for x
    x = 181,372,875,166.14/539,420.60
  6. Step 6: Final answer
    x = 336,236.46

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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.