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Finding the Fourth Proportional to 246,494.21, 369,741.33 and 80,282.21

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Solution

The fourth proportional to 246,494.21, 369,741.33 and 80,282.21 is: 120,423.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,494.21 : 369,741.33 = 80,282.21 : x
  2. Step 2: Convert to fraction form
    246,494.21/369,741.33 = 80,282.21/x
  3. Step 3: Cross multiply
    246,494.21x = 369,741.33 × 80,282.21
  4. Step 4: Simplify right side
    246,494.21x = 29,683,651,100.74
  5. Step 5: Solve for x
    x = 29,683,651,100.74/246,494.21
  6. Step 6: Final answer
    x = 120,423.32

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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.