Home / 297,284.24-445,910.43-105,145.36

Finding the Fourth Proportional to 297,284.24, 445,910.43 and 105,145.36

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Solution

The fourth proportional to 297,284.24, 445,910.43 and 105,145.36 is: 157,712.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,284.24 : 445,910.43 = 105,145.36 : x
  2. Step 2: Convert to fraction form
    297,284.24/445,910.43 = 105,145.36/x
  3. Step 3: Cross multiply
    297,284.24x = 445,910.43 × 105,145.36
  4. Step 4: Simplify right side
    297,284.24x = 46,885,411,575.33
  5. Step 5: Solve for x
    x = 46,885,411,575.33/297,284.24
  6. Step 6: Final answer
    x = 157,712.40

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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.