Home / 259,795.31-358,765.14-245,642.79

Finding the Fourth Proportional to 259,795.31, 358,765.14 and 245,642.79

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Solution

The fourth proportional to 259,795.31, 358,765.14 and 245,642.79 is: 339,221.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,795.31 : 358,765.14 = 245,642.79 : x
  2. Step 2: Convert to fraction form
    259,795.31/358,765.14 = 245,642.79/x
  3. Step 3: Cross multiply
    259,795.31x = 358,765.14 × 245,642.79
  4. Step 4: Simplify right side
    259,795.31x = 88,128,069,944.34
  5. Step 5: Solve for x
    x = 88,128,069,944.34/259,795.31
  6. Step 6: Final answer
    x = 339,221.17

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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.