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Finding the Fourth Proportional to 323,357.32, 484,869.66 and 173,723.68

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Solution

The fourth proportional to 323,357.32, 484,869.66 and 173,723.68 is: 260,496.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,357.32 : 484,869.66 = 173,723.68 : x
  2. Step 2: Convert to fraction form
    323,357.32/484,869.66 = 173,723.68/x
  3. Step 3: Cross multiply
    323,357.32x = 484,869.66 × 173,723.68
  4. Step 4: Simplify right side
    323,357.32x = 84,233,341,655.55
  5. Step 5: Solve for x
    x = 84,233,341,655.55/323,357.32
  6. Step 6: Final answer
    x = 260,496.16

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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.