Home / 408,330.06-611,962.08-208,481.46

Finding the Fourth Proportional to 408,330.06, 611,962.08 and 208,481.46

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Solution

The fourth proportional to 408,330.06, 611,962.08 and 208,481.46 is: 312,450.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,330.06 : 611,962.08 = 208,481.46 : x
  2. Step 2: Convert to fraction form
    408,330.06/611,962.08 = 208,481.46/x
  3. Step 3: Cross multiply
    408,330.06x = 611,962.08 × 208,481.46
  4. Step 4: Simplify right side
    408,330.06x = 127,582,747,903.04
  5. Step 5: Solve for x
    x = 127,582,747,903.04/408,330.06
  6. Step 6: Final answer
    x = 312,450.05

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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.