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Finding the Fourth Proportional to 262,080.65, 393,302.72 and 119,943.29

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Solution

The fourth proportional to 262,080.65, 393,302.72 and 119,943.29 is: 179,998.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,080.65 : 393,302.72 = 119,943.29 : x
  2. Step 2: Convert to fraction form
    262,080.65/393,302.72 = 119,943.29/x
  3. Step 3: Cross multiply
    262,080.65x = 393,302.72 × 119,943.29
  4. Step 4: Simplify right side
    262,080.65x = 47,174,020,536.09
  5. Step 5: Solve for x
    x = 47,174,020,536.09/262,080.65
  6. Step 6: Final answer
    x = 179,998.11

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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.