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Finding the Fourth Proportional to 225,136.54, 337,537.14 and 136,368.64

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Solution

The fourth proportional to 225,136.54, 337,537.14 and 136,368.64 is: 204,451.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,136.54 : 337,537.14 = 136,368.64 : x
  2. Step 2: Convert to fraction form
    225,136.54/337,537.14 = 136,368.64/x
  3. Step 3: Cross multiply
    225,136.54x = 337,537.14 × 136,368.64
  4. Step 4: Simplify right side
    225,136.54x = 46,029,480,731.29
  5. Step 5: Solve for x
    x = 46,029,480,731.29/225,136.54
  6. Step 6: Final answer
    x = 204,451.40

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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.