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Finding the Fourth Proportional to 508,484.98, 762,195.30 and 171,409.15

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Solution

The fourth proportional to 508,484.98, 762,195.30 and 171,409.15 is: 256,934.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,484.98 : 762,195.30 = 171,409.15 : x
  2. Step 2: Convert to fraction form
    508,484.98/762,195.30 = 171,409.15/x
  3. Step 3: Cross multiply
    508,484.98x = 762,195.30 × 171,409.15
  4. Step 4: Simplify right side
    508,484.98x = 130,647,248,507.00
  5. Step 5: Solve for x
    x = 130,647,248,507.00/508,484.98
  6. Step 6: Final answer
    x = 256,934.33

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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.