Home / 402,844.20-603,537.30-192,017.40

Finding the Fourth Proportional to 402,844.20, 603,537.30 and 192,017.40

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Solution

The fourth proportional to 402,844.20, 603,537.30 and 192,017.40 is: 287,678.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,844.20 : 603,537.30 = 192,017.40 : x
  2. Step 2: Convert to fraction form
    402,844.20/603,537.30 = 192,017.40/x
  3. Step 3: Cross multiply
    402,844.20x = 603,537.30 × 192,017.40
  4. Step 4: Simplify right side
    402,844.20x = 115,889,663,149.02
  5. Step 5: Solve for x
    x = 115,889,663,149.02/402,844.20
  6. Step 6: Final answer
    x = 287,678.62

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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.