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Finding the Fourth Proportional to 365,832.60, 551,490.86 and 341,447.54

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Solution

The fourth proportional to 365,832.60, 551,490.86 and 341,447.54 is: 514,730.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,832.60 : 551,490.86 = 341,447.54 : x
  2. Step 2: Convert to fraction form
    365,832.60/551,490.86 = 341,447.54/x
  3. Step 3: Cross multiply
    365,832.60x = 551,490.86 × 341,447.54
  4. Step 4: Simplify right side
    365,832.60x = 188,305,197,479.48
  5. Step 5: Solve for x
    x = 188,305,197,479.48/365,832.60
  6. Step 6: Final answer
    x = 514,730.50

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.