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Finding the Fourth Proportional to 436,353.72, 602,171.75 and 245,365.44

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Solution

The fourth proportional to 436,353.72, 602,171.75 and 245,365.44 is: 338,606.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,353.72 : 602,171.75 = 245,365.44 : x
  2. Step 2: Convert to fraction form
    436,353.72/602,171.75 = 245,365.44/x
  3. Step 3: Cross multiply
    436,353.72x = 602,171.75 × 245,365.44
  4. Step 4: Simplify right side
    436,353.72x = 147,752,135,167.49
  5. Step 5: Solve for x
    x = 147,752,135,167.49/436,353.72
  6. Step 6: Final answer
    x = 338,606.34

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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.