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Finding the Fourth Proportional to 253,007.33, 379,576.71 and 75,514.32

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Solution

The fourth proportional to 253,007.33, 379,576.71 and 75,514.32 is: 113,291.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,007.33 : 379,576.71 = 75,514.32 : x
  2. Step 2: Convert to fraction form
    253,007.33/379,576.71 = 75,514.32/x
  3. Step 3: Cross multiply
    253,007.33x = 379,576.71 × 75,514.32
  4. Step 4: Simplify right side
    253,007.33x = 28,663,477,143.49
  5. Step 5: Solve for x
    x = 28,663,477,143.49/253,007.33
  6. Step 6: Final answer
    x = 113,291.10

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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.