Home / 564,185.80-845,739.30-209,104.60

Finding the Fourth Proportional to 564,185.80, 845,739.30 and 209,104.60

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Solution

The fourth proportional to 564,185.80, 845,739.30 and 209,104.60 is: 313,456.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,185.80 : 845,739.30 = 209,104.60 : x
  2. Step 2: Convert to fraction form
    564,185.80/845,739.30 = 209,104.60/x
  3. Step 3: Cross multiply
    564,185.80x = 845,739.30 × 209,104.60
  4. Step 4: Simplify right side
    564,185.80x = 176,847,978,030.78
  5. Step 5: Solve for x
    x = 176,847,978,030.78/564,185.80
  6. Step 6: Final answer
    x = 313,456.98

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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.