Home / 631,114.32-946,321.56-210,160.56

Finding the Fourth Proportional to 631,114.32, 946,321.56 and 210,160.56

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Solution

The fourth proportional to 631,114.32, 946,321.56 and 210,160.56 is: 315,124.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,114.32 : 946,321.56 = 210,160.56 : x
  2. Step 2: Convert to fraction form
    631,114.32/946,321.56 = 210,160.56/x
  3. Step 3: Cross multiply
    631,114.32x = 946,321.56 × 210,160.56
  4. Step 4: Simplify right side
    631,114.32x = 198,879,468,989.67
  5. Step 5: Solve for x
    x = 198,879,468,989.67/631,114.32
  6. Step 6: Final answer
    x = 315,124.32

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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.