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Finding the Fourth Proportional to 519,350.16, 778,555.02 and 203,722.32

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Solution

The fourth proportional to 519,350.16, 778,555.02 and 203,722.32 is: 305,399.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,350.16 : 778,555.02 = 203,722.32 : x
  2. Step 2: Convert to fraction form
    519,350.16/778,555.02 = 203,722.32/x
  3. Step 3: Cross multiply
    519,350.16x = 778,555.02 × 203,722.32
  4. Step 4: Simplify right side
    519,350.16x = 158,609,034,922.05
  5. Step 5: Solve for x
    x = 158,609,034,922.05/519,350.16
  6. Step 6: Final answer
    x = 305,399.03

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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.