Home / 421,136.36-580,182.92-293,584.04

Finding the Fourth Proportional to 421,136.36, 580,182.92 and 293,584.04

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Solution

The fourth proportional to 421,136.36, 580,182.92 and 293,584.04 is: 404,459.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,136.36 : 580,182.92 = 293,584.04 : x
  2. Step 2: Convert to fraction form
    421,136.36/580,182.92 = 293,584.04/x
  3. Step 3: Cross multiply
    421,136.36x = 580,182.92 × 293,584.04
  4. Step 4: Simplify right side
    421,136.36x = 170,332,445,592.60
  5. Step 5: Solve for x
    x = 170,332,445,592.60/421,136.36
  6. Step 6: Final answer
    x = 404,459.13

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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.