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Finding the Fourth Proportional to 230,250.99, 345,612.06 and 190,142.22

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Solution

The fourth proportional to 230,250.99, 345,612.06 and 190,142.22 is: 285,407.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,250.99 : 345,612.06 = 190,142.22 : x
  2. Step 2: Convert to fraction form
    230,250.99/345,612.06 = 190,142.22/x
  3. Step 3: Cross multiply
    230,250.99x = 345,612.06 × 190,142.22
  4. Step 4: Simplify right side
    230,250.99x = 65,715,444,347.17
  5. Step 5: Solve for x
    x = 65,715,444,347.17/230,250.99
  6. Step 6: Final answer
    x = 285,407.87

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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.