Home / 434,083.12-651,219.82-145,884.43

Finding the Fourth Proportional to 434,083.12, 651,219.82 and 145,884.43

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Solution

The fourth proportional to 434,083.12, 651,219.82 and 145,884.43 is: 218,858.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,083.12 : 651,219.82 = 145,884.43 : x
  2. Step 2: Convert to fraction form
    434,083.12/651,219.82 = 145,884.43/x
  3. Step 3: Cross multiply
    434,083.12x = 651,219.82 × 145,884.43
  4. Step 4: Simplify right side
    434,083.12x = 95,002,832,245.40
  5. Step 5: Solve for x
    x = 95,002,832,245.40/434,083.12
  6. Step 6: Final answer
    x = 218,858.62

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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.