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Finding the Fourth Proportional to 297,257.29, 445,884.72 and 107,673.29

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Solution

The fourth proportional to 297,257.29, 445,884.72 and 107,673.29 is: 161,509.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,257.29 : 445,884.72 = 107,673.29 : x
  2. Step 2: Convert to fraction form
    297,257.29/445,884.72 = 107,673.29/x
  3. Step 3: Cross multiply
    297,257.29x = 445,884.72 × 107,673.29
  4. Step 4: Simplify right side
    297,257.29x = 48,009,873,802.00
  5. Step 5: Solve for x
    x = 48,009,873,802.00/297,257.29
  6. Step 6: Final answer
    x = 161,509.49

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1.5x scale

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.