Home / 316,289.22-436,489.61-173,049.33

Finding the Fourth Proportional to 316,289.22, 436,489.61 and 173,049.33

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Solution

The fourth proportional to 316,289.22, 436,489.61 and 173,049.33 is: 238,813.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,289.22 : 436,489.61 = 173,049.33 : x
  2. Step 2: Convert to fraction form
    316,289.22/436,489.61 = 173,049.33/x
  3. Step 3: Cross multiply
    316,289.22x = 436,489.61 × 173,049.33
  4. Step 4: Simplify right side
    316,289.22x = 75,534,233,697.21
  5. Step 5: Solve for x
    x = 75,534,233,697.21/316,289.22
  6. Step 6: Final answer
    x = 238,813.81

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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.