Home / 259,837.10-388,891.65-188,557.10

Finding the Fourth Proportional to 259,837.10, 388,891.65 and 188,557.10

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Solution

The fourth proportional to 259,837.10, 388,891.65 and 188,557.10 is: 282,208.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,837.10 : 388,891.65 = 188,557.10 : x
  2. Step 2: Convert to fraction form
    259,837.10/388,891.65 = 188,557.10/x
  3. Step 3: Cross multiply
    259,837.10x = 388,891.65 × 188,557.10
  4. Step 4: Simplify right side
    259,837.10x = 73,328,281,738.22
  5. Step 5: Solve for x
    x = 73,328,281,738.22/259,837.10
  6. Step 6: Final answer
    x = 282,208.67

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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.