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Finding the Fourth Proportional to 269,527.40, 404,291.10 and 145,111.40

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Solution

The fourth proportional to 269,527.40, 404,291.10 and 145,111.40 is: 217,667.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,527.40 : 404,291.10 = 145,111.40 : x
  2. Step 2: Convert to fraction form
    269,527.40/404,291.10 = 145,111.40/x
  3. Step 3: Cross multiply
    269,527.40x = 404,291.10 × 145,111.40
  4. Step 4: Simplify right side
    269,527.40x = 58,667,247,528.54
  5. Step 5: Solve for x
    x = 58,667,247,528.54/269,527.40
  6. Step 6: Final answer
    x = 217,667.10

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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.