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Finding the Fourth Proportional to 368,127.18, 508,009.36 and 204,781.74

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Solution

The fourth proportional to 368,127.18, 508,009.36 and 204,781.74 is: 282,595.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,127.18 : 508,009.36 = 204,781.74 : x
  2. Step 2: Convert to fraction form
    368,127.18/508,009.36 = 204,781.74/x
  3. Step 3: Cross multiply
    368,127.18x = 508,009.36 × 204,781.74
  4. Step 4: Simplify right side
    368,127.18x = 104,031,040,677.09
  5. Step 5: Solve for x
    x = 104,031,040,677.09/368,127.18
  6. Step 6: Final answer
    x = 282,595.38

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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.