Home / 631,405.82-947,116.94-210,681.69

Finding the Fourth Proportional to 631,405.82, 947,116.94 and 210,681.69

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Solution

The fourth proportional to 631,405.82, 947,116.94 and 210,681.69 is: 316,025.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,405.82 : 947,116.94 = 210,681.69 : x
  2. Step 2: Convert to fraction form
    631,405.82/947,116.94 = 210,681.69/x
  3. Step 3: Cross multiply
    631,405.82x = 947,116.94 × 210,681.69
  4. Step 4: Simplify right side
    631,405.82x = 199,540,196,493.42
  5. Step 5: Solve for x
    x = 199,540,196,493.42/631,405.82
  6. Step 6: Final answer
    x = 316,025.28

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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.