Home / 282,141.02-389,354.64-161,284.96

Finding the Fourth Proportional to 282,141.02, 389,354.64 and 161,284.96

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Solution

The fourth proportional to 282,141.02, 389,354.64 and 161,284.96 is: 222,573.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,141.02 : 389,354.64 = 161,284.96 : x
  2. Step 2: Convert to fraction form
    282,141.02/389,354.64 = 161,284.96/x
  3. Step 3: Cross multiply
    282,141.02x = 389,354.64 × 161,284.96
  4. Step 4: Simplify right side
    282,141.02x = 62,797,047,538.21
  5. Step 5: Solve for x
    x = 62,797,047,538.21/282,141.02
  6. Step 6: Final answer
    x = 222,573.26

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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.