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Finding the Fourth Proportional to 262,890.90, 394,336.35 and 162,726.30

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Solution

The fourth proportional to 262,890.90, 394,336.35 and 162,726.30 is: 244,089.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,890.90 : 394,336.35 = 162,726.30 : x
  2. Step 2: Convert to fraction form
    262,890.90/394,336.35 = 162,726.30/x
  3. Step 3: Cross multiply
    262,890.90x = 394,336.35 × 162,726.30
  4. Step 4: Simplify right side
    262,890.90x = 64,168,895,191.01
  5. Step 5: Solve for x
    x = 64,168,895,191.01/262,890.90
  6. Step 6: Final answer
    x = 244,089.45

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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.