Home / 297,730.40-446,974.56-192,987.68

Finding the Fourth Proportional to 297,730.40, 446,974.56 and 192,987.68

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Solution

The fourth proportional to 297,730.40, 446,974.56 and 192,987.68 is: 289,727.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,730.40 : 446,974.56 = 192,987.68 : x
  2. Step 2: Convert to fraction form
    297,730.40/446,974.56 = 192,987.68/x
  3. Step 3: Cross multiply
    297,730.40x = 446,974.56 × 192,987.68
  4. Step 4: Simplify right side
    297,730.40x = 86,260,583,353.42
  5. Step 5: Solve for x
    x = 86,260,583,353.42/297,730.40
  6. Step 6: Final answer
    x = 289,727.16

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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.