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Finding the Fourth Proportional to 508,903.45, 762,192.52 and 242,850.80

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Solution

The fourth proportional to 508,903.45, 762,192.52 and 242,850.80 is: 363,721.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,903.45 : 762,192.52 = 242,850.80 : x
  2. Step 2: Convert to fraction form
    508,903.45/762,192.52 = 242,850.80/x
  3. Step 3: Cross multiply
    508,903.45x = 762,192.52 × 242,850.80
  4. Step 4: Simplify right side
    508,903.45x = 185,099,063,236.02
  5. Step 5: Solve for x
    x = 185,099,063,236.02/508,903.45
  6. Step 6: Final answer
    x = 363,721.38

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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.