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Finding the Fourth Proportional to 510,178.54, 764,760.02 and 243,627.44

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Solution

The fourth proportional to 510,178.54, 764,760.02 and 243,627.44 is: 365,198.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,178.54 : 764,760.02 = 243,627.44 : x
  2. Step 2: Convert to fraction form
    510,178.54/764,760.02 = 243,627.44/x
  3. Step 3: Cross multiply
    510,178.54x = 764,760.02 × 243,627.44
  4. Step 4: Simplify right side
    510,178.54x = 186,316,525,886.95
  5. Step 5: Solve for x
    x = 186,316,525,886.95/510,178.54
  6. Step 6: Final answer
    x = 365,198.67

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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.