Home / 292,356.90-438,195.15-134,601.30

Finding the Fourth Proportional to 292,356.90, 438,195.15 and 134,601.30

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Solution

The fourth proportional to 292,356.90, 438,195.15 and 134,601.30 is: 201,745.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,356.90 : 438,195.15 = 134,601.30 : x
  2. Step 2: Convert to fraction form
    292,356.90/438,195.15 = 134,601.30/x
  3. Step 3: Cross multiply
    292,356.90x = 438,195.15 × 134,601.30
  4. Step 4: Simplify right side
    292,356.90x = 58,981,636,843.70
  5. Step 5: Solve for x
    x = 58,981,636,843.70/292,356.90
  6. Step 6: Final answer
    x = 201,745.32

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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.