Home / 281,168.10-421,285.59-197,887.14

Finding the Fourth Proportional to 281,168.10, 421,285.59 and 197,887.14

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Solution

The fourth proportional to 281,168.10, 421,285.59 and 197,887.14 is: 296,502.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,168.10 : 421,285.59 = 197,887.14 : x
  2. Step 2: Convert to fraction form
    281,168.10/421,285.59 = 197,887.14/x
  3. Step 3: Cross multiply
    281,168.10x = 421,285.59 × 197,887.14
  4. Step 4: Simplify right side
    281,168.10x = 83,367,000,528.31
  5. Step 5: Solve for x
    x = 83,367,000,528.31/281,168.10
  6. Step 6: Final answer
    x = 296,502.34

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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.