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Finding the Fourth Proportional to 370,433.72, 511,200.10 and 200,667.85

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Solution

The fourth proportional to 370,433.72, 511,200.10 and 200,667.85 is: 276,922.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,433.72 : 511,200.10 = 200,667.85 : x
  2. Step 2: Convert to fraction form
    370,433.72/511,200.10 = 200,667.85/x
  3. Step 3: Cross multiply
    370,433.72x = 511,200.10 × 200,667.85
  4. Step 4: Simplify right side
    370,433.72x = 102,581,422,430.79
  5. Step 5: Solve for x
    x = 102,581,422,430.79/370,433.72
  6. Step 6: Final answer
    x = 276,922.47

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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.