Home / 210,800.06-290,940.82-203,793.60

Finding the Fourth Proportional to 210,800.06, 290,940.82 and 203,793.60

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Solution

The fourth proportional to 210,800.06, 290,940.82 and 203,793.60 is: 281,270.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,800.06 : 290,940.82 = 203,793.60 : x
  2. Step 2: Convert to fraction form
    210,800.06/290,940.82 = 203,793.60/x
  3. Step 3: Cross multiply
    210,800.06x = 290,940.82 × 203,793.60
  4. Step 4: Simplify right side
    210,800.06x = 59,291,877,676.30
  5. Step 5: Solve for x
    x = 59,291,877,676.30/210,800.06
  6. Step 6: Final answer
    x = 281,270.69

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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.