Home / 250,459.75-345,669.89-154,997.20

Finding the Fourth Proportional to 250,459.75, 345,669.89 and 154,997.20

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Solution

The fourth proportional to 250,459.75, 345,669.89 and 154,997.20 is: 213,918.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,459.75 : 345,669.89 = 154,997.20 : x
  2. Step 2: Convert to fraction form
    250,459.75/345,669.89 = 154,997.20/x
  3. Step 3: Cross multiply
    250,459.75x = 345,669.89 × 154,997.20
  4. Step 4: Simplify right side
    250,459.75x = 53,577,865,074.31
  5. Step 5: Solve for x
    x = 53,577,865,074.31/250,459.75
  6. Step 6: Final answer
    x = 213,918.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.