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Finding the Fourth Proportional to 510,179.54, 764,761.52 and 243,628.44

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Solution

The fourth proportional to 510,179.54, 764,761.52 and 243,628.44 is: 365,200.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,179.54 : 764,761.52 = 243,628.44 : x
  2. Step 2: Convert to fraction form
    510,179.54/764,761.52 = 243,628.44/x
  3. Step 3: Cross multiply
    510,179.54x = 764,761.52 × 243,628.44
  4. Step 4: Simplify right side
    510,179.54x = 186,317,656,089.63
  5. Step 5: Solve for x
    x = 186,317,656,089.63/510,179.54
  6. Step 6: Final answer
    x = 365,200.17

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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.