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Finding the Fourth Proportional to 599,993, 900,037.30 and 200,636.28

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Solution

The fourth proportional to 599,993, 900,037.30 and 200,636.28 is: 300,970.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,993 : 900,037.30 = 200,636.28 : x
  2. Step 2: Convert to fraction form
    599,993/900,037.30 = 200,636.28/x
  3. Step 3: Cross multiply
    599,993x = 900,037.30 × 200,636.28
  4. Step 4: Simplify right side
    599,993x = 180,580,135,733.24
  5. Step 5: Solve for x
    x = 180,580,135,733.24/599,993
  6. Step 6: Final answer
    x = 300,970.40

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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.