Home / 320,805.96-442,722.66-184,829.22

Finding the Fourth Proportional to 320,805.96, 442,722.66 and 184,829.22

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Solution

The fourth proportional to 320,805.96, 442,722.66 and 184,829.22 is: 255,070.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,805.96 : 442,722.66 = 184,829.22 : x
  2. Step 2: Convert to fraction form
    320,805.96/442,722.66 = 184,829.22/x
  3. Step 3: Cross multiply
    320,805.96x = 442,722.66 × 184,829.22
  4. Step 4: Simplify right side
    320,805.96x = 81,828,083,924.13
  5. Step 5: Solve for x
    x = 81,828,083,924.13/320,805.96
  6. Step 6: Final answer
    x = 255,070.34

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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.