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Finding the Fourth Proportional to 246,399.40, 369,599.10 and 221,467.60

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Solution

The fourth proportional to 246,399.40, 369,599.10 and 221,467.60 is: 332,201.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,399.40 : 369,599.10 = 221,467.60 : x
  2. Step 2: Convert to fraction form
    246,399.40/369,599.10 = 221,467.60/x
  3. Step 3: Cross multiply
    246,399.40x = 369,599.10 × 221,467.60
  4. Step 4: Simplify right side
    246,399.40x = 81,854,225,639.16
  5. Step 5: Solve for x
    x = 81,854,225,639.16/246,399.40
  6. Step 6: Final answer
    x = 332,201.40

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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.