Home / 412,829.80-619,287.22-142,957.42

Finding the Fourth Proportional to 412,829.80, 619,287.22 and 142,957.42

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Solution

The fourth proportional to 412,829.80, 619,287.22 and 142,957.42 is: 214,450.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,829.80 : 619,287.22 = 142,957.42 : x
  2. Step 2: Convert to fraction form
    412,829.80/619,287.22 = 142,957.42/x
  3. Step 3: Cross multiply
    412,829.80x = 619,287.22 × 142,957.42
  4. Step 4: Simplify right side
    412,829.80x = 88,531,702,409.82
  5. Step 5: Solve for x
    x = 88,531,702,409.82/412,829.80
  6. Step 6: Final answer
    x = 214,450.85

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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.