Home / 282,490.83-389,740.82-161,588.07

Finding the Fourth Proportional to 282,490.83, 389,740.82 and 161,588.07

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Solution

The fourth proportional to 282,490.83, 389,740.82 and 161,588.07 is: 222,936.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,490.83 : 389,740.82 = 161,588.07 : x
  2. Step 2: Convert to fraction form
    282,490.83/389,740.82 = 161,588.07/x
  3. Step 3: Cross multiply
    282,490.83x = 389,740.82 × 161,588.07
  4. Step 4: Simplify right side
    282,490.83x = 62,977,466,096.08
  5. Step 5: Solve for x
    x = 62,977,466,096.08/282,490.83
  6. Step 6: Final answer
    x = 222,936.32

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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.