Home / 230,560.20-345,840.30-211,897.80

Finding the Fourth Proportional to 230,560.20, 345,840.30 and 211,897.80

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Solution

The fourth proportional to 230,560.20, 345,840.30 and 211,897.80 is: 317,846.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,560.20 : 345,840.30 = 211,897.80 : x
  2. Step 2: Convert to fraction form
    230,560.20/345,840.30 = 211,897.80/x
  3. Step 3: Cross multiply
    230,560.20x = 345,840.30 × 211,897.80
  4. Step 4: Simplify right side
    230,560.20x = 73,282,798,721.34
  5. Step 5: Solve for x
    x = 73,282,798,721.34/230,560.20
  6. Step 6: Final answer
    x = 317,846.70

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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.