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Finding the Fourth Proportional to 239,567.22, 359,338.48 and 71,088.98

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Solution

The fourth proportional to 239,567.22, 359,338.48 and 71,088.98 is: 106,629.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,567.22 : 359,338.48 = 71,088.98 : x
  2. Step 2: Convert to fraction form
    239,567.22/359,338.48 = 71,088.98/x
  3. Step 3: Cross multiply
    239,567.22x = 359,338.48 × 71,088.98
  4. Step 4: Simplify right side
    239,567.22x = 25,545,004,043.54
  5. Step 5: Solve for x
    x = 25,545,004,043.54/239,567.22
  6. Step 6: Final answer
    x = 106,629.80

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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.