Home / 308,120.04-425,276.67-200,503.23

Finding the Fourth Proportional to 308,120.04, 425,276.67 and 200,503.23

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Solution

The fourth proportional to 308,120.04, 425,276.67 and 200,503.23 is: 276,740.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,120.04 : 425,276.67 = 200,503.23 : x
  2. Step 2: Convert to fraction form
    308,120.04/425,276.67 = 200,503.23/x
  3. Step 3: Cross multiply
    308,120.04x = 425,276.67 × 200,503.23
  4. Step 4: Simplify right side
    308,120.04x = 85,269,345,978.64
  5. Step 5: Solve for x
    x = 85,269,345,978.64/308,120.04
  6. Step 6: Final answer
    x = 276,740.67

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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.