Home / 228,491.08-343,344.90-214,126.15

Finding the Fourth Proportional to 228,491.08, 343,344.90 and 214,126.15

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Solution

The fourth proportional to 228,491.08, 343,344.90 and 214,126.15 is: 321,759.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,491.08 : 343,344.90 = 214,126.15 : x
  2. Step 2: Convert to fraction form
    228,491.08/343,344.90 = 214,126.15/x
  3. Step 3: Cross multiply
    228,491.08x = 343,344.90 × 214,126.15
  4. Step 4: Simplify right side
    228,491.08x = 73,519,121,559.14
  5. Step 5: Solve for x
    x = 73,519,121,559.14/228,491.08
  6. Step 6: Final answer
    x = 321,759.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.