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Finding the Fourth Proportional to 199,671.82, 299,030.01 and 115,256.36

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Solution

The fourth proportional to 199,671.82, 299,030.01 and 115,256.36 is: 172,608.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,671.82 : 299,030.01 = 115,256.36 : x
  2. Step 2: Convert to fraction form
    199,671.82/299,030.01 = 115,256.36/x
  3. Step 3: Cross multiply
    199,671.82x = 299,030.01 × 115,256.36
  4. Step 4: Simplify right side
    199,671.82x = 34,465,110,483.36
  5. Step 5: Solve for x
    x = 34,465,110,483.36/199,671.82
  6. Step 6: Final answer
    x = 172,608.79

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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.