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Finding the Fourth Proportional to 162,883.80, 243,936.90 and 162,883.80

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Solution

The fourth proportional to 162,883.80, 243,936.90 and 162,883.80 is: 243,936.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,883.80 : 243,936.90 = 162,883.80 : x
  2. Step 2: Convert to fraction form
    162,883.80/243,936.90 = 162,883.80/x
  3. Step 3: Cross multiply
    162,883.80x = 243,936.90 × 162,883.80
  4. Step 4: Simplify right side
    162,883.80x = 39,733,369,232.22
  5. Step 5: Solve for x
    x = 39,733,369,232.22/162,883.80
  6. Step 6: Final answer
    x = 243,936.90

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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.