Home / 320,804.22-442,660.25-184,811.56

Finding the Fourth Proportional to 320,804.22, 442,660.25 and 184,811.56

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Solution

The fourth proportional to 320,804.22, 442,660.25 and 184,811.56 is: 255,011.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,804.22 : 442,660.25 = 184,811.56 : x
  2. Step 2: Convert to fraction form
    320,804.22/442,660.25 = 184,811.56/x
  3. Step 3: Cross multiply
    320,804.22x = 442,660.25 × 184,811.56
  4. Step 4: Simplify right side
    320,804.22x = 81,808,732,367.84
  5. Step 5: Solve for x
    x = 81,808,732,367.84/320,804.22
  6. Step 6: Final answer
    x = 255,011.40

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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.