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Finding the Fourth Proportional to 357,157.68, 535,736.52 and 169,600.56

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Solution

The fourth proportional to 357,157.68, 535,736.52 and 169,600.56 is: 254,400.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,157.68 : 535,736.52 = 169,600.56 : x
  2. Step 2: Convert to fraction form
    357,157.68/535,736.52 = 169,600.56/x
  3. Step 3: Cross multiply
    357,157.68x = 535,736.52 × 169,600.56
  4. Step 4: Simplify right side
    357,157.68x = 90,861,213,804.45
  5. Step 5: Solve for x
    x = 90,861,213,804.45/357,157.68
  6. Step 6: Final answer
    x = 254,400.84

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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.