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Finding the Fourth Proportional to 468,718.71, 703,079.01 and 169,410.66

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Solution

The fourth proportional to 468,718.71, 703,079.01 and 169,410.66 is: 254,116.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,718.71 : 703,079.01 = 169,410.66 : x
  2. Step 2: Convert to fraction form
    468,718.71/703,079.01 = 169,410.66/x
  3. Step 3: Cross multiply
    468,718.71x = 703,079.01 × 169,410.66
  4. Step 4: Simplify right side
    468,718.71x = 119,109,079,116.25
  5. Step 5: Solve for x
    x = 119,109,079,116.25/468,718.71
  6. Step 6: Final answer
    x = 254,116.33

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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.