Home / 645,339.40-968,008.50-196,058.44

Finding the Fourth Proportional to 645,339.40, 968,008.50 and 196,058.44

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Solution

The fourth proportional to 645,339.40, 968,008.50 and 196,058.44 is: 294,087.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,339.40 : 968,008.50 = 196,058.44 : x
  2. Step 2: Convert to fraction form
    645,339.40/968,008.50 = 196,058.44/x
  3. Step 3: Cross multiply
    645,339.40x = 968,008.50 × 196,058.44
  4. Step 4: Simplify right side
    645,339.40x = 189,786,236,416.74
  5. Step 5: Solve for x
    x = 189,786,236,416.74/645,339.40
  6. Step 6: Final answer
    x = 294,087.48

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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.