Home / 353,727.78-530,612.43-100,988.82

Finding the Fourth Proportional to 353,727.78, 530,612.43 and 100,988.82

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Solution

The fourth proportional to 353,727.78, 530,612.43 and 100,988.82 is: 151,489.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,727.78 : 530,612.43 = 100,988.82 : x
  2. Step 2: Convert to fraction form
    353,727.78/530,612.43 = 100,988.82/x
  3. Step 3: Cross multiply
    353,727.78x = 530,612.43 × 100,988.82
  4. Step 4: Simplify right side
    353,727.78x = 53,585,923,183.03
  5. Step 5: Solve for x
    x = 53,585,923,183.03/353,727.78
  6. Step 6: Final answer
    x = 151,489.16

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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.