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Finding the Fourth Proportional to 599,256.60, 899,009.70 and 200,021.40

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Solution

The fourth proportional to 599,256.60, 899,009.70 and 200,021.40 is: 300,073.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,256.60 : 899,009.70 = 200,021.40 : x
  2. Step 2: Convert to fraction form
    599,256.60/899,009.70 = 200,021.40/x
  3. Step 3: Cross multiply
    599,256.60x = 899,009.70 × 200,021.40
  4. Step 4: Simplify right side
    599,256.60x = 179,821,178,807.58
  5. Step 5: Solve for x
    x = 179,821,178,807.58/599,256.60
  6. Step 6: Final answer
    x = 300,073.76

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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.