Home / 631,151.22-946,735.20-210,427.23

Finding the Fourth Proportional to 631,151.22, 946,735.20 and 210,427.23

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Solution

The fourth proportional to 631,151.22, 946,735.20 and 210,427.23 is: 315,643.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,151.22 : 946,735.20 = 210,427.23 : x
  2. Step 2: Convert to fraction form
    631,151.22/946,735.20 = 210,427.23/x
  3. Step 3: Cross multiply
    631,151.22x = 946,735.20 × 210,427.23
  4. Step 4: Simplify right side
    631,151.22x = 199,218,864,627.36
  5. Step 5: Solve for x
    x = 199,218,864,627.36/631,151.22
  6. Step 6: Final answer
    x = 315,643.63

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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.