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Finding the Fourth Proportional to 399,490.37, 599,237.83 and 133,250.10

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Solution

The fourth proportional to 399,490.37, 599,237.83 and 133,250.10 is: 199,875.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,490.37 : 599,237.83 = 133,250.10 : x
  2. Step 2: Convert to fraction form
    399,490.37/599,237.83 = 133,250.10/x
  3. Step 3: Cross multiply
    399,490.37x = 599,237.83 × 133,250.10
  4. Step 4: Simplify right side
    399,490.37x = 79,848,500,771.28
  5. Step 5: Solve for x
    x = 79,848,500,771.28/399,490.37
  6. Step 6: Final answer
    x = 199,875.91

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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.