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Finding the Fourth Proportional to 322,448.76, 483,674.27 and 97,811.13

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Solution

The fourth proportional to 322,448.76, 483,674.27 and 97,811.13 is: 146,717.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,448.76 : 483,674.27 = 97,811.13 : x
  2. Step 2: Convert to fraction form
    322,448.76/483,674.27 = 97,811.13/x
  3. Step 3: Cross multiply
    322,448.76x = 483,674.27 × 97,811.13
  4. Step 4: Simplify right side
    322,448.76x = 47,308,726,411.57
  5. Step 5: Solve for x
    x = 47,308,726,411.57/322,448.76
  6. Step 6: Final answer
    x = 146,717.04

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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.