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Finding the Fourth Proportional to 400,592.25, 600,421.46 and 223,014.33

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Solution

The fourth proportional to 400,592.25, 600,421.46 and 223,014.33 is: 334,261.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,592.25 : 600,421.46 = 223,014.33 : x
  2. Step 2: Convert to fraction form
    400,592.25/600,421.46 = 223,014.33/x
  3. Step 3: Cross multiply
    400,592.25x = 600,421.46 × 223,014.33
  4. Step 4: Simplify right side
    400,592.25x = 133,902,588,504.45
  5. Step 5: Solve for x
    x = 133,902,588,504.45/400,592.25
  6. Step 6: Final answer
    x = 334,261.56

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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.