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Finding the Fourth Proportional to 574,911.54, 862,493.54 and 170,072.06

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Solution

The fourth proportional to 574,911.54, 862,493.54 and 170,072.06 is: 255,145.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,911.54 : 862,493.54 = 170,072.06 : x
  2. Step 2: Convert to fraction form
    574,911.54/862,493.54 = 170,072.06/x
  3. Step 3: Cross multiply
    574,911.54x = 862,493.54 × 170,072.06
  4. Step 4: Simplify right side
    574,911.54x = 146,686,047,921.66
  5. Step 5: Solve for x
    x = 146,686,047,921.66/574,911.54
  6. Step 6: Final answer
    x = 255,145.42

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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.