Home / 320,782.64-442,641.22-184,861.12

Finding the Fourth Proportional to 320,782.64, 442,641.22 and 184,861.12

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Solution

The fourth proportional to 320,782.64, 442,641.22 and 184,861.12 is: 255,085.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,782.64 : 442,641.22 = 184,861.12 : x
  2. Step 2: Convert to fraction form
    320,782.64/442,641.22 = 184,861.12/x
  3. Step 3: Cross multiply
    320,782.64x = 442,641.22 × 184,861.12
  4. Step 4: Simplify right side
    320,782.64x = 81,827,151,687.37
  5. Step 5: Solve for x
    x = 81,827,151,687.37/320,782.64
  6. Step 6: Final answer
    x = 255,085.97

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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.