Home / 403,606.70-556,977.25-222,318.07

Finding the Fourth Proportional to 403,606.70, 556,977.25 and 222,318.07

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Solution

The fourth proportional to 403,606.70, 556,977.25 and 222,318.07 is: 306,798.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,606.70 : 556,977.25 = 222,318.07 : x
  2. Step 2: Convert to fraction form
    403,606.70/556,977.25 = 222,318.07/x
  3. Step 3: Cross multiply
    403,606.70x = 556,977.25 × 222,318.07
  4. Step 4: Simplify right side
    403,606.70x = 123,826,107,253.91
  5. Step 5: Solve for x
    x = 123,826,107,253.91/403,606.70
  6. Step 6: Final answer
    x = 306,798.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.