Home / 293,624.22-405,182.22-172,742.13

Finding the Fourth Proportional to 293,624.22, 405,182.22 and 172,742.13

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Solution

The fourth proportional to 293,624.22, 405,182.22 and 172,742.13 is: 238,372.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,624.22 : 405,182.22 = 172,742.13 : x
  2. Step 2: Convert to fraction form
    293,624.22/405,182.22 = 172,742.13/x
  3. Step 3: Cross multiply
    293,624.22x = 405,182.22 × 172,742.13
  4. Step 4: Simplify right side
    293,624.22x = 69,992,039,720.93
  5. Step 5: Solve for x
    x = 69,992,039,720.93/293,624.22
  6. Step 6: Final answer
    x = 238,372.84

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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.