Home / 320,913.66-442,907.49-184,921.14

Finding the Fourth Proportional to 320,913.66, 442,907.49 and 184,921.14

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Solution

The fourth proportional to 320,913.66, 442,907.49 and 184,921.14 is: 255,218.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,913.66 : 442,907.49 = 184,921.14 : x
  2. Step 2: Convert to fraction form
    320,913.66/442,907.49 = 184,921.14/x
  3. Step 3: Cross multiply
    320,913.66x = 442,907.49 × 184,921.14
  4. Step 4: Simplify right side
    320,913.66x = 81,902,957,965.34
  5. Step 5: Solve for x
    x = 81,902,957,965.34/320,913.66
  6. Step 6: Final answer
    x = 255,218.05

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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.