Home / 261,299.12-358,245.18-256,575.20

Finding the Fourth Proportional to 261,299.12, 358,245.18 and 256,575.20

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Solution

The fourth proportional to 261,299.12, 358,245.18 and 256,575.20 is: 351,768.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,299.12 : 358,245.18 = 256,575.20 : x
  2. Step 2: Convert to fraction form
    261,299.12/358,245.18 = 256,575.20/x
  3. Step 3: Cross multiply
    261,299.12x = 358,245.18 × 256,575.20
  4. Step 4: Simplify right side
    261,299.12x = 91,916,826,916.31
  5. Step 5: Solve for x
    x = 91,916,826,916.31/261,299.12
  6. Step 6: Final answer
    x = 351,768.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.