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Finding the Fourth Proportional to 354,624.40, 532,109.40 and 270,355.60

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Solution

The fourth proportional to 354,624.40, 532,109.40 and 270,355.60 is: 405,665.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,624.40 : 532,109.40 = 270,355.60 : x
  2. Step 2: Convert to fraction form
    354,624.40/532,109.40 = 270,355.60/x
  3. Step 3: Cross multiply
    354,624.40x = 532,109.40 × 270,355.60
  4. Step 4: Simplify right side
    354,624.40x = 143,858,756,102.64
  5. Step 5: Solve for x
    x = 143,858,756,102.64/354,624.40
  6. Step 6: Final answer
    x = 405,665.14

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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.