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Finding the Fourth Proportional to 297,767.80, 446,555.71 and 98,040.64

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Solution

The fourth proportional to 297,767.80, 446,555.71 and 98,040.64 is: 147,029.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,767.80 : 446,555.71 = 98,040.64 : x
  2. Step 2: Convert to fraction form
    297,767.80/446,555.71 = 98,040.64/x
  3. Step 3: Cross multiply
    297,767.80x = 446,555.71 × 98,040.64
  4. Step 4: Simplify right side
    297,767.80x = 43,780,607,604.05
  5. Step 5: Solve for x
    x = 43,780,607,604.05/297,767.80
  6. Step 6: Final answer
    x = 147,029.36

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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.