Home / 659,270.08-989,054.25-210,016.54

Finding the Fourth Proportional to 659,270.08, 989,054.25 and 210,016.54

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Solution

The fourth proportional to 659,270.08, 989,054.25 and 210,016.54 is: 315,072.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,270.08 : 989,054.25 = 210,016.54 : x
  2. Step 2: Convert to fraction form
    659,270.08/989,054.25 = 210,016.54/x
  3. Step 3: Cross multiply
    659,270.08x = 989,054.25 × 210,016.54
  4. Step 4: Simplify right side
    659,270.08x = 207,717,751,457.30
  5. Step 5: Solve for x
    x = 207,717,751,457.30/659,270.08
  6. Step 6: Final answer
    x = 315,072.32

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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.