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Finding the Fourth Proportional to 508,317.86, 762,255.26 and 171,295.70

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Solution

The fourth proportional to 508,317.86, 762,255.26 and 171,295.70 is: 256,868.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,317.86 : 762,255.26 = 171,295.70 : x
  2. Step 2: Convert to fraction form
    508,317.86/762,255.26 = 171,295.70/x
  3. Step 3: Cross multiply
    508,317.86x = 762,255.26 × 171,295.70
  4. Step 4: Simplify right side
    508,317.86x = 130,571,048,340.38
  5. Step 5: Solve for x
    x = 130,571,048,340.38/508,317.86
  6. Step 6: Final answer
    x = 256,868.90

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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.