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Finding the Fourth Proportional to 367,930.46, 508,129.56 and 253,506.62

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Solution

The fourth proportional to 367,930.46, 508,129.56 and 253,506.62 is: 350,104.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,930.46 : 508,129.56 = 253,506.62 : x
  2. Step 2: Convert to fraction form
    367,930.46/508,129.56 = 253,506.62/x
  3. Step 3: Cross multiply
    367,930.46x = 508,129.56 × 253,506.62
  4. Step 4: Simplify right side
    367,930.46x = 128,814,207,277.69
  5. Step 5: Solve for x
    x = 128,814,207,277.69/367,930.46
  6. Step 6: Final answer
    x = 350,104.77

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1.5x scale

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.