Home / 320,331.68-442,169.04-184,419.79

Finding the Fourth Proportional to 320,331.68, 442,169.04 and 184,419.79

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Solution

The fourth proportional to 320,331.68, 442,169.04 and 184,419.79 is: 254,563.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,331.68 : 442,169.04 = 184,419.79 : x
  2. Step 2: Convert to fraction form
    320,331.68/442,169.04 = 184,419.79/x
  3. Step 3: Cross multiply
    320,331.68x = 442,169.04 × 184,419.79
  4. Step 4: Simplify right side
    320,331.68x = 81,544,721,501.30
  5. Step 5: Solve for x
    x = 81,544,721,501.30/320,331.68
  6. Step 6: Final answer
    x = 254,563.40

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1.5x scale

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.