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Finding the Fourth Proportional to 239,807.70, 360,246.15 and 200,441.70

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Solution

The fourth proportional to 239,807.70, 360,246.15 and 200,441.70 is: 301,109.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,807.70 : 360,246.15 = 200,441.70 : x
  2. Step 2: Convert to fraction form
    239,807.70/360,246.15 = 200,441.70/x
  3. Step 3: Cross multiply
    239,807.70x = 360,246.15 × 200,441.70
  4. Step 4: Simplify right side
    239,807.70x = 72,208,350,724.46
  5. Step 5: Solve for x
    x = 72,208,350,724.46/239,807.70
  6. Step 6: Final answer
    x = 301,109.39

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1.5x scale

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.