Home / 316,914.55-437,343.61-171,720.30

Finding the Fourth Proportional to 316,914.55, 437,343.61 and 171,720.30

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Solution

The fourth proportional to 316,914.55, 437,343.61 and 171,720.30 is: 236,974.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,914.55 : 437,343.61 = 171,720.30 : x
  2. Step 2: Convert to fraction form
    316,914.55/437,343.61 = 171,720.30/x
  3. Step 3: Cross multiply
    316,914.55x = 437,343.61 × 171,720.30
  4. Step 4: Simplify right side
    316,914.55x = 75,100,775,912.28
  5. Step 5: Solve for x
    x = 75,100,775,912.28/316,914.55
  6. Step 6: Final answer
    x = 236,974.84

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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.