Home / 412,764.30-619,188.84-142,892.01

Finding the Fourth Proportional to 412,764.30, 619,188.84 and 142,892.01

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Solution

The fourth proportional to 412,764.30, 619,188.84 and 142,892.01 is: 214,352.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,764.30 : 619,188.84 = 142,892.01 : x
  2. Step 2: Convert to fraction form
    412,764.30/619,188.84 = 142,892.01/x
  3. Step 3: Cross multiply
    412,764.30x = 619,188.84 × 142,892.01
  4. Step 4: Simplify right side
    412,764.30x = 88,477,137,917.17
  5. Step 5: Solve for x
    x = 88,477,137,917.17/412,764.30
  6. Step 6: Final answer
    x = 214,352.69

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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.