Home / 631,318.20-946,977.30-158,002.80

Finding the Fourth Proportional to 631,318.20, 946,977.30 and 158,002.80

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Solution

The fourth proportional to 631,318.20, 946,977.30 and 158,002.80 is: 237,004.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,318.20 : 946,977.30 = 158,002.80 : x
  2. Step 2: Convert to fraction form
    631,318.20/946,977.30 = 158,002.80/x
  3. Step 3: Cross multiply
    631,318.20x = 946,977.30 × 158,002.80
  4. Step 4: Simplify right side
    631,318.20x = 149,625,064,936.44
  5. Step 5: Solve for x
    x = 149,625,064,936.44/631,318.20
  6. Step 6: Final answer
    x = 237,004.20

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Similar ratio
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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.