Home / 631,201.60-946,807.20-210,476.80

Finding the Fourth Proportional to 631,201.60, 946,807.20 and 210,476.80

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Solution

The fourth proportional to 631,201.60, 946,807.20 and 210,476.80 is: 315,716.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,201.60 : 946,807.20 = 210,476.80 : x
  2. Step 2: Convert to fraction form
    631,201.60/946,807.20 = 210,476.80/x
  3. Step 3: Cross multiply
    631,201.60x = 946,807.20 × 210,476.80
  4. Step 4: Simplify right side
    631,201.60x = 199,280,949,672.96
  5. Step 5: Solve for x
    x = 199,280,949,672.96/631,201.60
  6. Step 6: Final answer
    x = 315,716.80

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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.