Home / 281,150.60-421,259.34-197,869.64

Finding the Fourth Proportional to 281,150.60, 421,259.34 and 197,869.64

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Solution

The fourth proportional to 281,150.60, 421,259.34 and 197,869.64 is: 296,476.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,150.60 : 421,259.34 = 197,869.64 : x
  2. Step 2: Convert to fraction form
    281,150.60/421,259.34 = 197,869.64/x
  3. Step 3: Cross multiply
    281,150.60x = 421,259.34 × 197,869.64
  4. Step 4: Simplify right side
    281,150.60x = 83,354,433,952.44
  5. Step 5: Solve for x
    x = 83,354,433,952.44/281,150.60
  6. Step 6: Final answer
    x = 296,476.10

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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.