Home / 646,204.32-969,237.36-225,488.16

Finding the Fourth Proportional to 646,204.32, 969,237.36 and 225,488.16

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Solution

The fourth proportional to 646,204.32, 969,237.36 and 225,488.16 is: 338,208.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,204.32 : 969,237.36 = 225,488.16 : x
  2. Step 2: Convert to fraction form
    646,204.32/969,237.36 = 225,488.16/x
  3. Step 3: Cross multiply
    646,204.32x = 969,237.36 × 225,488.16
  4. Step 4: Simplify right side
    646,204.32x = 218,551,548,909.66
  5. Step 5: Solve for x
    x = 218,551,548,909.66/646,204.32
  6. Step 6: Final answer
    x = 338,208.12

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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.