Home / 282,092.22-389,287.62-154,768.32

Finding the Fourth Proportional to 282,092.22, 389,287.62 and 154,768.32

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Solution

The fourth proportional to 282,092.22, 389,287.62 and 154,768.32 is: 213,580.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,092.22 : 389,287.62 = 154,768.32 : x
  2. Step 2: Convert to fraction form
    282,092.22/389,287.62 = 154,768.32/x
  3. Step 3: Cross multiply
    282,092.22x = 389,287.62 × 154,768.32
  4. Step 4: Simplify right side
    282,092.22x = 60,249,390,944.20
  5. Step 5: Solve for x
    x = 60,249,390,944.20/282,092.22
  6. Step 6: Final answer
    x = 213,580.48

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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.