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Finding the Fourth Proportional to 369,649.80, 510,119.78 and 204,083.10

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Solution

The fourth proportional to 369,649.80, 510,119.78 and 204,083.10 is: 281,636.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,649.80 : 510,119.78 = 204,083.10 : x
  2. Step 2: Convert to fraction form
    369,649.80/510,119.78 = 204,083.10/x
  3. Step 3: Cross multiply
    369,649.80x = 510,119.78 × 204,083.10
  4. Step 4: Simplify right side
    369,649.80x = 104,106,825,053.30
  5. Step 5: Solve for x
    x = 104,106,825,053.30/369,649.80
  6. Step 6: Final answer
    x = 281,636.36

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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.