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Finding the Fourth Proportional to 340,159.50, 510,260.31 and 103,519.62

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Solution

The fourth proportional to 340,159.50, 510,260.31 and 103,519.62 is: 155,285.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,159.50 : 510,260.31 = 103,519.62 : x
  2. Step 2: Convert to fraction form
    340,159.50/510,260.31 = 103,519.62/x
  3. Step 3: Cross multiply
    340,159.50x = 510,260.31 × 103,519.62
  4. Step 4: Simplify right side
    340,159.50x = 52,821,953,392.28
  5. Step 5: Solve for x
    x = 52,821,953,392.28/340,159.50
  6. Step 6: Final answer
    x = 155,285.84

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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.