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Finding the Fourth Proportional to 219,992.96, 330,008.52 and 70,254.56

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Solution

The fourth proportional to 219,992.96, 330,008.52 and 70,254.56 is: 105,387.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,992.96 : 330,008.52 = 70,254.56 : x
  2. Step 2: Convert to fraction form
    219,992.96/330,008.52 = 70,254.56/x
  3. Step 3: Cross multiply
    219,992.96x = 330,008.52 × 70,254.56
  4. Step 4: Simplify right side
    219,992.96x = 23,184,603,368.85
  5. Step 5: Solve for x
    x = 23,184,603,368.85/219,992.96
  6. Step 6: Final answer
    x = 105,387.93

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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.