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Finding the Fourth Proportional to 340,383.87, 510,575.85 and 103,726.71

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Solution

The fourth proportional to 340,383.87, 510,575.85 and 103,726.71 is: 155,590.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,383.87 : 510,575.85 = 103,726.71 : x
  2. Step 2: Convert to fraction form
    340,383.87/510,575.85 = 103,726.71/x
  3. Step 3: Cross multiply
    340,383.87x = 510,575.85 × 103,726.71
  4. Step 4: Simplify right side
    340,383.87x = 52,960,353,125.95
  5. Step 5: Solve for x
    x = 52,960,353,125.95/340,383.87
  6. Step 6: Final answer
    x = 155,590.08

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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.