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Finding the Fourth Proportional to 340,289.56, 510,462.69 and 103,634.29

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Solution

The fourth proportional to 340,289.56, 510,462.69 and 103,634.29 is: 155,460.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,289.56 : 510,462.69 = 103,634.29 : x
  2. Step 2: Convert to fraction form
    340,289.56/510,462.69 = 103,634.29/x
  3. Step 3: Cross multiply
    340,289.56x = 510,462.69 × 103,634.29
  4. Step 4: Simplify right side
    340,289.56x = 52,901,438,449.64
  5. Step 5: Solve for x
    x = 52,901,438,449.64/340,289.56
  6. Step 6: Final answer
    x = 155,460.07

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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.