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Finding the Fourth Proportional to 248,360.51, 342,727.97 and 140,924.13

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Solution

The fourth proportional to 248,360.51, 342,727.97 and 140,924.13 is: 194,469.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,360.51 : 342,727.97 = 140,924.13 : x
  2. Step 2: Convert to fraction form
    248,360.51/342,727.97 = 140,924.13/x
  3. Step 3: Cross multiply
    248,360.51x = 342,727.97 × 140,924.13
  4. Step 4: Simplify right side
    248,360.51x = 48,298,640,998.92
  5. Step 5: Solve for x
    x = 48,298,640,998.92/248,360.51
  6. Step 6: Final answer
    x = 194,469.89

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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.