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Finding the Fourth Proportional to 397,702.44, 548,830.35 and 216,414.27

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Solution

The fourth proportional to 397,702.44, 548,830.35 and 216,414.27 is: 298,652.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,702.44 : 548,830.35 = 216,414.27 : x
  2. Step 2: Convert to fraction form
    397,702.44/548,830.35 = 216,414.27/x
  3. Step 3: Cross multiply
    397,702.44x = 548,830.35 × 216,414.27
  4. Step 4: Simplify right side
    397,702.44x = 118,774,719,549.09
  5. Step 5: Solve for x
    x = 118,774,719,549.09/397,702.44
  6. Step 6: Final answer
    x = 298,652.23

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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.