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Finding the Fourth Proportional to 340,116.60, 510,228.90 and 115,498.20

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Solution

The fourth proportional to 340,116.60, 510,228.90 and 115,498.20 is: 173,265.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,116.60 : 510,228.90 = 115,498.20 : x
  2. Step 2: Convert to fraction form
    340,116.60/510,228.90 = 115,498.20/x
  3. Step 3: Cross multiply
    340,116.60x = 510,228.90 × 115,498.20
  4. Step 4: Simplify right side
    340,116.60x = 58,930,519,537.98
  5. Step 5: Solve for x
    x = 58,930,519,537.98/340,116.60
  6. Step 6: Final answer
    x = 173,265.64

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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.