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Finding the Fourth Proportional to 270,273.40, 404,826.90 and 223,617.40

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Solution

The fourth proportional to 270,273.40, 404,826.90 and 223,617.40 is: 334,943.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,273.40 : 404,826.90 = 223,617.40 : x
  2. Step 2: Convert to fraction form
    270,273.40/404,826.90 = 223,617.40/x
  3. Step 3: Cross multiply
    270,273.40x = 404,826.90 × 223,617.40
  4. Step 4: Simplify right side
    270,273.40x = 90,526,338,828.06
  5. Step 5: Solve for x
    x = 90,526,338,828.06/270,273.40
  6. Step 6: Final answer
    x = 334,943.58

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1.5x scale

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.