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Finding the Fourth Proportional to 213,096.02, 319,560.93 and 79,903.70

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Solution

The fourth proportional to 213,096.02, 319,560.93 and 79,903.70 is: 119,824.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,096.02 : 319,560.93 = 79,903.70 : x
  2. Step 2: Convert to fraction form
    213,096.02/319,560.93 = 79,903.70/x
  3. Step 3: Cross multiply
    213,096.02x = 319,560.93 × 79,903.70
  4. Step 4: Simplify right side
    213,096.02x = 25,534,100,682.44
  5. Step 5: Solve for x
    x = 25,534,100,682.44/213,096.02
  6. Step 6: Final answer
    x = 119,824.39

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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.