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Finding the Fourth Proportional to 340,293.08, 510,291.68 and 103,580.30

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Solution

The fourth proportional to 340,293.08, 510,291.68 and 103,580.30 is: 155,325.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,293.08 : 510,291.68 = 103,580.30 : x
  2. Step 2: Convert to fraction form
    340,293.08/510,291.68 = 103,580.30/x
  3. Step 3: Cross multiply
    340,293.08x = 510,291.68 × 103,580.30
  4. Step 4: Simplify right side
    340,293.08x = 52,856,165,301.90
  5. Step 5: Solve for x
    x = 52,856,165,301.90/340,293.08
  6. Step 6: Final answer
    x = 155,325.42

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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.