Home / 321,715.17-443,967.46-178,475.22

Finding the Fourth Proportional to 321,715.17, 443,967.46 and 178,475.22

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Solution

The fourth proportional to 321,715.17, 443,967.46 and 178,475.22 is: 246,296.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,715.17 : 443,967.46 = 178,475.22 : x
  2. Step 2: Convert to fraction form
    321,715.17/443,967.46 = 178,475.22/x
  3. Step 3: Cross multiply
    321,715.17x = 443,967.46 × 178,475.22
  4. Step 4: Simplify right side
    321,715.17x = 79,237,189,650.15
  5. Step 5: Solve for x
    x = 79,237,189,650.15/321,715.17
  6. Step 6: Final answer
    x = 246,296.09

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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.