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Finding the Fourth Proportional to 200,354.78, 300,462.99 and 58,161.51

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Solution

The fourth proportional to 200,354.78, 300,462.99 and 58,161.51 is: 87,222.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,354.78 : 300,462.99 = 58,161.51 : x
  2. Step 2: Convert to fraction form
    200,354.78/300,462.99 = 58,161.51/x
  3. Step 3: Cross multiply
    200,354.78x = 300,462.99 × 58,161.51
  4. Step 4: Simplify right side
    200,354.78x = 17,475,380,979.41
  5. Step 5: Solve for x
    x = 17,475,380,979.41/200,354.78
  6. Step 6: Final answer
    x = 87,222.18

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1.5x scale

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.