Home / 259,835.54-358,820.67-245,683.78

Finding the Fourth Proportional to 259,835.54, 358,820.67 and 245,683.78

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Solution

The fourth proportional to 259,835.54, 358,820.67 and 245,683.78 is: 339,277.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,835.54 : 358,820.67 = 245,683.78 : x
  2. Step 2: Convert to fraction form
    259,835.54/358,820.67 = 245,683.78/x
  3. Step 3: Cross multiply
    259,835.54x = 358,820.67 × 245,683.78
  4. Step 4: Simplify right side
    259,835.54x = 88,156,415,525.21
  5. Step 5: Solve for x
    x = 88,156,415,525.21/259,835.54
  6. Step 6: Final answer
    x = 339,277.74

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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.