Home / 521,850.60-782,529.15-202,152.21

Finding the Fourth Proportional to 521,850.60, 782,529.15 and 202,152.21

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Solution

The fourth proportional to 521,850.60, 782,529.15 and 202,152.21 is: 303,132.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,850.60 : 782,529.15 = 202,152.21 : x
  2. Step 2: Convert to fraction form
    521,850.60/782,529.15 = 202,152.21/x
  3. Step 3: Cross multiply
    521,850.60x = 782,529.15 × 202,152.21
  4. Step 4: Simplify right side
    521,850.60x = 158,189,994,885.51
  5. Step 5: Solve for x
    x = 158,189,994,885.51/521,850.60
  6. Step 6: Final answer
    x = 303,132.73

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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.