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Finding the Fourth Proportional to 200,039.40, 299,751.90 and 173,620.20

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Solution

The fourth proportional to 200,039.40, 299,751.90 and 173,620.20 is: 260,163.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,039.40 : 299,751.90 = 173,620.20 : x
  2. Step 2: Convert to fraction form
    200,039.40/299,751.90 = 173,620.20/x
  3. Step 3: Cross multiply
    200,039.40x = 299,751.90 × 173,620.20
  4. Step 4: Simplify right side
    200,039.40x = 52,042,984,828.38
  5. Step 5: Solve for x
    x = 52,042,984,828.38/200,039.40
  6. Step 6: Final answer
    x = 260,163.67

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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.