Home / 442,120.44-662,622.30-189,100.20

Finding the Fourth Proportional to 442,120.44, 662,622.30 and 189,100.20

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Solution

The fourth proportional to 442,120.44, 662,622.30 and 189,100.20 is: 283,411.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,120.44 : 662,622.30 = 189,100.20 : x
  2. Step 2: Convert to fraction form
    442,120.44/662,622.30 = 189,100.20/x
  3. Step 3: Cross multiply
    442,120.44x = 662,622.30 × 189,100.20
  4. Step 4: Simplify right side
    442,120.44x = 125,302,009,454.46
  5. Step 5: Solve for x
    x = 125,302,009,454.46/442,120.44
  6. Step 6: Final answer
    x = 283,411.48

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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.