Home / 313,734.45-470,675.48-103,372.38

Finding the Fourth Proportional to 313,734.45, 470,675.48 and 103,372.38

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Solution

The fourth proportional to 313,734.45, 470,675.48 and 103,372.38 is: 155,082.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,734.45 : 470,675.48 = 103,372.38 : x
  2. Step 2: Convert to fraction form
    313,734.45/470,675.48 = 103,372.38/x
  3. Step 3: Cross multiply
    313,734.45x = 470,675.48 × 103,372.38
  4. Step 4: Simplify right side
    313,734.45x = 48,654,844,575.24
  5. Step 5: Solve for x
    x = 48,654,844,575.24/313,734.45
  6. Step 6: Final answer
    x = 155,082.89

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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.