Home / 340,611.89-470,081.07-187,665.46

Finding the Fourth Proportional to 340,611.89, 470,081.07 and 187,665.46

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Solution

The fourth proportional to 340,611.89, 470,081.07 and 187,665.46 is: 258,998.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,611.89 : 470,081.07 = 187,665.46 : x
  2. Step 2: Convert to fraction form
    340,611.89/470,081.07 = 187,665.46/x
  3. Step 3: Cross multiply
    340,611.89x = 470,081.07 × 187,665.46
  4. Step 4: Simplify right side
    340,611.89x = 88,217,979,063.64
  5. Step 5: Solve for x
    x = 88,217,979,063.64/340,611.89
  6. Step 6: Final answer
    x = 258,998.53

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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.