Home / 384,511.48-576,781.07-144,603.39

Finding the Fourth Proportional to 384,511.48, 576,781.07 and 144,603.39

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Solution

The fourth proportional to 384,511.48, 576,781.07 and 144,603.39 is: 216,910.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,511.48 : 576,781.07 = 144,603.39 : x
  2. Step 2: Convert to fraction form
    384,511.48/576,781.07 = 144,603.39/x
  3. Step 3: Cross multiply
    384,511.48x = 576,781.07 × 144,603.39
  4. Step 4: Simplify right side
    384,511.48x = 83,404,498,009.83
  5. Step 5: Solve for x
    x = 83,404,498,009.83/384,511.48
  6. Step 6: Final answer
    x = 216,910.29

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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.