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Finding the Fourth Proportional to 370,501.50, 511,292.55 and 200,735.61

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Solution

The fourth proportional to 370,501.50, 511,292.55 and 200,735.61 is: 277,015.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,501.50 : 511,292.55 = 200,735.61 : x
  2. Step 2: Convert to fraction form
    370,501.50/511,292.55 = 200,735.61/x
  3. Step 3: Cross multiply
    370,501.50x = 511,292.55 × 200,735.61
  4. Step 4: Simplify right side
    370,501.50x = 102,634,621,912.71
  5. Step 5: Solve for x
    x = 102,634,621,912.71/370,501.50
  6. Step 6: Final answer
    x = 277,015.40

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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.