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Finding the Fourth Proportional to 270,342.40, 404,930.40 and 223,686.40

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Solution

The fourth proportional to 270,342.40, 404,930.40 and 223,686.40 is: 335,047.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,342.40 : 404,930.40 = 223,686.40 : x
  2. Step 2: Convert to fraction form
    270,342.40/404,930.40 = 223,686.40/x
  3. Step 3: Cross multiply
    270,342.40x = 404,930.40 × 223,686.40
  4. Step 4: Simplify right side
    270,342.40x = 90,577,423,426.56
  5. Step 5: Solve for x
    x = 90,577,423,426.56/270,342.40
  6. Step 6: Final answer
    x = 335,047.05

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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.