Home / 209,699.55-314,287.02-165,150.36

Finding the Fourth Proportional to 209,699.55, 314,287.02 and 165,150.36

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Solution

The fourth proportional to 209,699.55, 314,287.02 and 165,150.36 is: 247,518.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,699.55 : 314,287.02 = 165,150.36 : x
  2. Step 2: Convert to fraction form
    209,699.55/314,287.02 = 165,150.36/x
  3. Step 3: Cross multiply
    209,699.55x = 314,287.02 × 165,150.36
  4. Step 4: Simplify right side
    209,699.55x = 51,904,614,496.33
  5. Step 5: Solve for x
    x = 51,904,614,496.33/209,699.55
  6. Step 6: Final answer
    x = 247,518.96

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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.