Home / 282,132.51-389,349.59-161,285.04

Finding the Fourth Proportional to 282,132.51, 389,349.59 and 161,285.04

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Solution

The fourth proportional to 282,132.51, 389,349.59 and 161,285.04 is: 222,577.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,132.51 : 389,349.59 = 161,285.04 : x
  2. Step 2: Convert to fraction form
    282,132.51/389,349.59 = 161,285.04/x
  3. Step 3: Cross multiply
    282,132.51x = 389,349.59 × 161,285.04
  4. Step 4: Simplify right side
    282,132.51x = 62,796,261,930.65
  5. Step 5: Solve for x
    x = 62,796,261,930.65/282,132.51
  6. Step 6: Final answer
    x = 222,577.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.