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Finding the Fourth Proportional to 481,658.32, 722,931 and 245,170

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Solution

The fourth proportional to 481,658.32, 722,931 and 245,170 is: 367,980.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,658.32 : 722,931 = 245,170 : x
  2. Step 2: Convert to fraction form
    481,658.32/722,931 = 245,170/x
  3. Step 3: Cross multiply
    481,658.32x = 722,931 × 245,170
  4. Step 4: Simplify right side
    481,658.32x = 177,240,993,270
  5. Step 5: Solve for x
    x = 177,240,993,270/481,658.32
  6. Step 6: Final answer
    x = 367,980.76

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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.