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Finding the Fourth Proportional to 508,083.64, 762,162.72 and 171,122.56

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Solution

The fourth proportional to 508,083.64, 762,162.72 and 171,122.56 is: 256,696.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,083.64 : 762,162.72 = 171,122.56 : x
  2. Step 2: Convert to fraction form
    508,083.64/762,162.72 = 171,122.56/x
  3. Step 3: Cross multiply
    508,083.64x = 762,162.72 × 171,122.56
  4. Step 4: Simplify right side
    508,083.64x = 130,423,235,782.96
  5. Step 5: Solve for x
    x = 130,423,235,782.96/508,083.64
  6. Step 6: Final answer
    x = 256,696.39

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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.