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Finding the Fourth Proportional to 323,067.61, 484,673.69 and 98,445.62

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Solution

The fourth proportional to 323,067.61, 484,673.69 and 98,445.62 is: 147,690.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,067.61 : 484,673.69 = 98,445.62 : x
  2. Step 2: Convert to fraction form
    323,067.61/484,673.69 = 98,445.62/x
  3. Step 3: Cross multiply
    323,067.61x = 484,673.69 × 98,445.62
  4. Step 4: Simplify right side
    323,067.61x = 47,714,003,367.54
  5. Step 5: Solve for x
    x = 47,714,003,367.54/323,067.61
  6. Step 6: Final answer
    x = 147,690.46

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1.5x scale

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.