Home / 281,702.63-422,976.05-243,868.60

Finding the Fourth Proportional to 281,702.63, 422,976.05 and 243,868.60

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Solution

The fourth proportional to 281,702.63, 422,976.05 and 243,868.60 is: 366,168.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,702.63 : 422,976.05 = 243,868.60 : x
  2. Step 2: Convert to fraction form
    281,702.63/422,976.05 = 243,868.60/x
  3. Step 3: Cross multiply
    281,702.63x = 422,976.05 × 243,868.60
  4. Step 4: Simplify right side
    281,702.63x = 103,150,574,422.48
  5. Step 5: Solve for x
    x = 103,150,574,422.48/281,702.63
  6. Step 6: Final answer
    x = 366,168.30

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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.