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Finding the Fourth Proportional to 298,485.91, 411,918.41 and 162,525.59

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Solution

The fourth proportional to 298,485.91, 411,918.41 and 162,525.59 is: 224,289.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,485.91 : 411,918.41 = 162,525.59 : x
  2. Step 2: Convert to fraction form
    298,485.91/411,918.41 = 162,525.59/x
  3. Step 3: Cross multiply
    298,485.91x = 411,918.41 × 162,525.59
  4. Step 4: Simplify right side
    298,485.91x = 66,947,282,508.53
  5. Step 5: Solve for x
    x = 66,947,282,508.53/298,485.91
  6. Step 6: Final answer
    x = 224,289.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.