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Finding the Fourth Proportional to 233,169.60, 349,754.40 and 162,310.80

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Solution

The fourth proportional to 233,169.60, 349,754.40 and 162,310.80 is: 243,466.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,169.60 : 349,754.40 = 162,310.80 : x
  2. Step 2: Convert to fraction form
    233,169.60/349,754.40 = 162,310.80/x
  3. Step 3: Cross multiply
    233,169.60x = 349,754.40 × 162,310.80
  4. Step 4: Simplify right side
    233,169.60x = 56,768,916,467.52
  5. Step 5: Solve for x
    x = 56,768,916,467.52/233,169.60
  6. Step 6: Final answer
    x = 243,466.20

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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.