Home / 259,278.98-388,314.20-250,299.32

Finding the Fourth Proportional to 259,278.98, 388,314.20 and 250,299.32

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Solution

The fourth proportional to 259,278.98, 388,314.20 and 250,299.32 is: 374,865.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,278.98 : 388,314.20 = 250,299.32 : x
  2. Step 2: Convert to fraction form
    259,278.98/388,314.20 = 250,299.32/x
  3. Step 3: Cross multiply
    259,278.98x = 388,314.20 × 250,299.32
  4. Step 4: Simplify right side
    259,278.98x = 97,194,778,890.52
  5. Step 5: Solve for x
    x = 97,194,778,890.52/259,278.98
  6. Step 6: Final answer
    x = 374,865.64

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1.5x scale

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.