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Finding the Fourth Proportional to 340,107.90, 510,170.25 and 162,633.66

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Solution

The fourth proportional to 340,107.90, 510,170.25 and 162,633.66 is: 243,954.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,107.90 : 510,170.25 = 162,633.66 : x
  2. Step 2: Convert to fraction form
    340,107.90/510,170.25 = 162,633.66/x
  3. Step 3: Cross multiply
    340,107.90x = 510,170.25 × 162,633.66
  4. Step 4: Simplify right side
    340,107.90x = 82,970,854,980.62
  5. Step 5: Solve for x
    x = 82,970,854,980.62/340,107.90
  6. Step 6: Final answer
    x = 243,954.51

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1.5x scale

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.