Home / 340,822.40-470,313.68-187,861.79

Finding the Fourth Proportional to 340,822.40, 470,313.68 and 187,861.79

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Solution

The fourth proportional to 340,822.40, 470,313.68 and 187,861.79 is: 259,237.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,822.40 : 470,313.68 = 187,861.79 : x
  2. Step 2: Convert to fraction form
    340,822.40/470,313.68 = 187,861.79/x
  3. Step 3: Cross multiply
    340,822.40x = 470,313.68 × 187,861.79
  4. Step 4: Simplify right side
    340,822.40x = 88,353,969,786.29
  5. Step 5: Solve for x
    x = 88,353,969,786.29/340,822.40
  6. Step 6: Final answer
    x = 259,237.57

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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.