Home / 631,164.52-946,542.30-210,327.40

Finding the Fourth Proportional to 631,164.52, 946,542.30 and 210,327.40

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Solution

The fourth proportional to 631,164.52, 946,542.30 and 210,327.40 is: 315,422.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,164.52 : 946,542.30 = 210,327.40 : x
  2. Step 2: Convert to fraction form
    631,164.52/946,542.30 = 210,327.40/x
  3. Step 3: Cross multiply
    631,164.52x = 946,542.30 × 210,327.40
  4. Step 4: Simplify right side
    631,164.52x = 199,083,780,949.02
  5. Step 5: Solve for x
    x = 199,083,780,949.02/631,164.52
  6. Step 6: Final answer
    x = 315,422.96

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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.