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Finding the Fourth Proportional to 370,316.38, 511,035.48 and 200,550.46

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Solution

The fourth proportional to 370,316.38, 511,035.48 and 200,550.46 is: 276,759.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,316.38 : 511,035.48 = 200,550.46 : x
  2. Step 2: Convert to fraction form
    370,316.38/511,035.48 = 200,550.46/x
  3. Step 3: Cross multiply
    370,316.38x = 511,035.48 × 200,550.46
  4. Step 4: Simplify right side
    370,316.38x = 102,488,400,590.32
  5. Step 5: Solve for x
    x = 102,488,400,590.32/370,316.38
  6. Step 6: Final answer
    x = 276,759.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.