Home / 230,621.40-345,932.10-141,586.20

Finding the Fourth Proportional to 230,621.40, 345,932.10 and 141,586.20

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Solution

The fourth proportional to 230,621.40, 345,932.10 and 141,586.20 is: 212,379.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,621.40 : 345,932.10 = 141,586.20 : x
  2. Step 2: Convert to fraction form
    230,621.40/345,932.10 = 141,586.20/x
  3. Step 3: Cross multiply
    230,621.40x = 345,932.10 × 141,586.20
  4. Step 4: Simplify right side
    230,621.40x = 48,979,211,497.02
  5. Step 5: Solve for x
    x = 48,979,211,497.02/230,621.40
  6. Step 6: Final answer
    x = 212,379.30

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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.