Home / 631,433.21-947,142.61-182,139.26

Finding the Fourth Proportional to 631,433.21, 947,142.61 and 182,139.26

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Solution

The fourth proportional to 631,433.21, 947,142.61 and 182,139.26 is: 273,206.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,433.21 : 947,142.61 = 182,139.26 : x
  2. Step 2: Convert to fraction form
    631,433.21/947,142.61 = 182,139.26/x
  3. Step 3: Cross multiply
    631,433.21x = 947,142.61 × 182,139.26
  4. Step 4: Simplify right side
    631,433.21x = 172,511,848,908.81
  5. Step 5: Solve for x
    x = 172,511,848,908.81/631,433.21
  6. Step 6: Final answer
    x = 273,206.81

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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.