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Finding the Fourth Proportional to 297,813.08, 446,719.71 and 108,238.25

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Solution

The fourth proportional to 297,813.08, 446,719.71 and 108,238.25 is: 162,357.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,813.08 : 446,719.71 = 108,238.25 : x
  2. Step 2: Convert to fraction form
    297,813.08/446,719.71 = 108,238.25/x
  3. Step 3: Cross multiply
    297,813.08x = 446,719.71 × 108,238.25
  4. Step 4: Simplify right side
    297,813.08x = 48,352,157,417.31
  5. Step 5: Solve for x
    x = 48,352,157,417.31/297,813.08
  6. Step 6: Final answer
    x = 162,357.40

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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.