Home / 442,852.20-664,364.70-190,132.20

Finding the Fourth Proportional to 442,852.20, 664,364.70 and 190,132.20

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Solution

The fourth proportional to 442,852.20, 664,364.70 and 190,132.20 is: 285,235.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,852.20 : 664,364.70 = 190,132.20 : x
  2. Step 2: Convert to fraction form
    442,852.20/664,364.70 = 190,132.20/x
  3. Step 3: Cross multiply
    442,852.20x = 664,364.70 × 190,132.20
  4. Step 4: Simplify right side
    442,852.20x = 126,317,122,013.34
  5. Step 5: Solve for x
    x = 126,317,122,013.34/442,852.20
  6. Step 6: Final answer
    x = 285,235.39

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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.