Home / 282,712.21-424,084.21-90,603.36

Finding the Fourth Proportional to 282,712.21, 424,084.21 and 90,603.36

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Solution

The fourth proportional to 282,712.21, 424,084.21 and 90,603.36 is: 135,910.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,712.21 : 424,084.21 = 90,603.36 : x
  2. Step 2: Convert to fraction form
    282,712.21/424,084.21 = 90,603.36/x
  3. Step 3: Cross multiply
    282,712.21x = 424,084.21 × 90,603.36
  4. Step 4: Simplify right side
    282,712.21x = 38,423,454,122.44
  5. Step 5: Solve for x
    x = 38,423,454,122.44/282,712.21
  6. Step 6: Final answer
    x = 135,910.13

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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.