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Finding the Fourth Proportional to 570,667, 855,998.52 and 171,306.16

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Solution

The fourth proportional to 570,667, 855,998.52 and 171,306.16 is: 256,958.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,667 : 855,998.52 = 171,306.16 : x
  2. Step 2: Convert to fraction form
    570,667/855,998.52 = 171,306.16/x
  3. Step 3: Cross multiply
    570,667x = 855,998.52 × 171,306.16
  4. Step 4: Simplify right side
    570,667x = 146,637,819,426.88
  5. Step 5: Solve for x
    x = 146,637,819,426.88/570,667
  6. Step 6: Final answer
    x = 256,958.65

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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.