Home / 297,282.03-445,907.13-105,143.15

Finding the Fourth Proportional to 297,282.03, 445,907.13 and 105,143.15

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Solution

The fourth proportional to 297,282.03, 445,907.13 and 105,143.15 is: 157,709.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,282.03 : 445,907.13 = 105,143.15 : x
  2. Step 2: Convert to fraction form
    297,282.03/445,907.13 = 105,143.15/x
  3. Step 3: Cross multiply
    297,282.03x = 445,907.13 × 105,143.15
  4. Step 4: Simplify right side
    297,282.03x = 46,884,078,026.12
  5. Step 5: Solve for x
    x = 46,884,078,026.12/297,282.03
  6. Step 6: Final answer
    x = 157,709.09

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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.