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Finding the Fourth Proportional to 468,744.60, 702,909.54 and 136,346.52

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Solution

The fourth proportional to 468,744.60, 702,909.54 and 136,346.52 is: 204,459.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,744.60 : 702,909.54 = 136,346.52 : x
  2. Step 2: Convert to fraction form
    468,744.60/702,909.54 = 136,346.52/x
  3. Step 3: Cross multiply
    468,744.60x = 702,909.54 × 136,346.52
  4. Step 4: Simplify right side
    468,744.60x = 95,839,269,653.80
  5. Step 5: Solve for x
    x = 95,839,269,653.80/468,744.60
  6. Step 6: Final answer
    x = 204,459.46

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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.