Home / 264,979.20-397,638.90-146,735.40

Finding the Fourth Proportional to 264,979.20, 397,638.90 and 146,735.40

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Solution

The fourth proportional to 264,979.20, 397,638.90 and 146,735.40 is: 220,197.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,979.20 : 397,638.90 = 146,735.40 : x
  2. Step 2: Convert to fraction form
    264,979.20/397,638.90 = 146,735.40/x
  3. Step 3: Cross multiply
    264,979.20x = 397,638.90 × 146,735.40
  4. Step 4: Simplify right side
    264,979.20x = 58,347,703,047.06
  5. Step 5: Solve for x
    x = 58,347,703,047.06/264,979.20
  6. Step 6: Final answer
    x = 220,197.29

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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.