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Finding the Fourth Proportional to 484,496.33, 668,598.41 and 269,636.34

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Solution

The fourth proportional to 484,496.33, 668,598.41 and 269,636.34 is: 372,094.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,496.33 : 668,598.41 = 269,636.34 : x
  2. Step 2: Convert to fraction form
    484,496.33/668,598.41 = 269,636.34/x
  3. Step 3: Cross multiply
    484,496.33x = 668,598.41 × 269,636.34
  4. Step 4: Simplify right side
    484,496.33x = 180,278,428,202.22
  5. Step 5: Solve for x
    x = 180,278,428,202.22/484,496.33
  6. Step 6: Final answer
    x = 372,094.52

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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.