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Finding the Fourth Proportional to 240,722.93, 361,055.23 and 122,479.13

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Solution

The fourth proportional to 240,722.93, 361,055.23 and 122,479.13 is: 183,703.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,722.93 : 361,055.23 = 122,479.13 : x
  2. Step 2: Convert to fraction form
    240,722.93/361,055.23 = 122,479.13/x
  3. Step 3: Cross multiply
    240,722.93x = 361,055.23 × 122,479.13
  4. Step 4: Simplify right side
    240,722.93x = 44,221,730,452.35
  5. Step 5: Solve for x
    x = 44,221,730,452.35/240,722.93
  6. Step 6: Final answer
    x = 183,703.86

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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.