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Finding the Fourth Proportional to 479,032.88, 718,664.77 and 179,516.08

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Solution

The fourth proportional to 479,032.88, 718,664.77 and 179,516.08 is: 269,317.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,032.88 : 718,664.77 = 179,516.08 : x
  2. Step 2: Convert to fraction form
    479,032.88/718,664.77 = 179,516.08/x
  3. Step 3: Cross multiply
    479,032.88x = 718,664.77 × 179,516.08
  4. Step 4: Simplify right side
    479,032.88x = 129,011,882,344.50
  5. Step 5: Solve for x
    x = 129,011,882,344.50/479,032.88
  6. Step 6: Final answer
    x = 269,317.38

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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.