Home / 627,519.72-941,271.30-154,209.24

Finding the Fourth Proportional to 627,519.72, 941,271.30 and 154,209.24

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Solution

The fourth proportional to 627,519.72, 941,271.30 and 154,209.24 is: 231,311.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,519.72 : 941,271.30 = 154,209.24 : x
  2. Step 2: Convert to fraction form
    627,519.72/941,271.30 = 154,209.24/x
  3. Step 3: Cross multiply
    627,519.72x = 941,271.30 × 154,209.24
  4. Step 4: Simplify right side
    627,519.72x = 145,152,731,806.81
  5. Step 5: Solve for x
    x = 145,152,731,806.81/627,519.72
  6. Step 6: Final answer
    x = 231,311.83

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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.