Home / 379,163.40-568,307.64-142,355.04

Finding the Fourth Proportional to 379,163.40, 568,307.64 and 142,355.04

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Solution

The fourth proportional to 379,163.40, 568,307.64 and 142,355.04 is: 213,368.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,163.40 : 568,307.64 = 142,355.04 : x
  2. Step 2: Convert to fraction form
    379,163.40/568,307.64 = 142,355.04/x
  3. Step 3: Cross multiply
    379,163.40x = 568,307.64 × 142,355.04
  4. Step 4: Simplify right side
    379,163.40x = 80,901,456,824.51
  5. Step 5: Solve for x
    x = 80,901,456,824.51/379,163.40
  6. Step 6: Final answer
    x = 213,368.32

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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.