Home / 681,621.81-1,022,119.70-232,159.82

Finding the Fourth Proportional to 681,621.81, 1,022,119.70 and 232,159.82

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Solution

The fourth proportional to 681,621.81, 1,022,119.70 and 232,159.82 is: 348,133.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,621.81 : 1,022,119.70 = 232,159.82 : x
  2. Step 2: Convert to fraction form
    681,621.81/1,022,119.70 = 232,159.82/x
  3. Step 3: Cross multiply
    681,621.81x = 1,022,119.70 × 232,159.82
  4. Step 4: Simplify right side
    681,621.81x = 237,295,119,299.06
  5. Step 5: Solve for x
    x = 237,295,119,299.06/681,621.81
  6. Step 6: Final answer
    x = 348,133.11

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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.