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Finding the Fourth Proportional to 447,906.16, 618,110.48 and 246,702.16

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Solution

The fourth proportional to 447,906.16, 618,110.48 and 246,702.16 is: 340,448.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,906.16 : 618,110.48 = 246,702.16 : x
  2. Step 2: Convert to fraction form
    447,906.16/618,110.48 = 246,702.16/x
  3. Step 3: Cross multiply
    447,906.16x = 618,110.48 × 246,702.16
  4. Step 4: Simplify right side
    447,906.16x = 152,489,190,534.64
  5. Step 5: Solve for x
    x = 152,489,190,534.64/447,906.16
  6. Step 6: Final answer
    x = 340,448.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.