Home / 631,172.62-946,767.30-210,448.63

Finding the Fourth Proportional to 631,172.62, 946,767.30 and 210,448.63

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Solution

The fourth proportional to 631,172.62, 946,767.30 and 210,448.63 is: 315,675.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,172.62 : 946,767.30 = 210,448.63 : x
  2. Step 2: Convert to fraction form
    631,172.62/946,767.30 = 210,448.63/x
  3. Step 3: Cross multiply
    631,172.62x = 946,767.30 × 210,448.63
  4. Step 4: Simplify right side
    631,172.62x = 199,245,881,213.80
  5. Step 5: Solve for x
    x = 199,245,881,213.80/631,172.62
  6. Step 6: Final answer
    x = 315,675.74

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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.