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Finding the Fourth Proportional to 298,358.40, 447,537.60 and 293,437.65

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Solution

The fourth proportional to 298,358.40, 447,537.60 and 293,437.65 is: 440,156.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,358.40 : 447,537.60 = 293,437.65 : x
  2. Step 2: Convert to fraction form
    298,358.40/447,537.60 = 293,437.65/x
  3. Step 3: Cross multiply
    298,358.40x = 447,537.60 × 293,437.65
  4. Step 4: Simplify right side
    298,358.40x = 131,324,381,630.64
  5. Step 5: Solve for x
    x = 131,324,381,630.64/298,358.40
  6. Step 6: Final answer
    x = 440,156.48

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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.