Home / 627,647.43-941,462.92-154,336.89

Finding the Fourth Proportional to 627,647.43, 941,462.92 and 154,336.89

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Solution

The fourth proportional to 627,647.43, 941,462.92 and 154,336.89 is: 231,503.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,647.43 : 941,462.92 = 154,336.89 : x
  2. Step 2: Convert to fraction form
    627,647.43/941,462.92 = 154,336.89/x
  3. Step 3: Cross multiply
    627,647.43x = 941,462.92 × 154,336.89
  4. Step 4: Simplify right side
    627,647.43x = 145,302,459,123.12
  5. Step 5: Solve for x
    x = 145,302,459,123.12/627,647.43
  6. Step 6: Final answer
    x = 231,503.31

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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.