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Finding the Fourth Proportional to 240,764.86, 360,950.19 and 90,920.08

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Solution

The fourth proportional to 240,764.86, 360,950.19 and 90,920.08 is: 136,305.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,764.86 : 360,950.19 = 90,920.08 : x
  2. Step 2: Convert to fraction form
    240,764.86/360,950.19 = 90,920.08/x
  3. Step 3: Cross multiply
    240,764.86x = 360,950.19 × 90,920.08
  4. Step 4: Simplify right side
    240,764.86x = 32,817,620,150.82
  5. Step 5: Solve for x
    x = 32,817,620,150.82/240,764.86
  6. Step 6: Final answer
    x = 136,305.69

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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.