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Finding the Fourth Proportional to 293,325.12, 404,788.56 and 159,189.12

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Solution

The fourth proportional to 293,325.12, 404,788.56 and 159,189.12 is: 219,680.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,325.12 : 404,788.56 = 159,189.12 : x
  2. Step 2: Convert to fraction form
    293,325.12/404,788.56 = 159,189.12/x
  3. Step 3: Cross multiply
    293,325.12x = 404,788.56 × 159,189.12
  4. Step 4: Simplify right side
    293,325.12x = 64,437,934,652.47
  5. Step 5: Solve for x
    x = 64,437,934,652.47/293,325.12
  6. Step 6: Final answer
    x = 219,680.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.