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Finding the Fourth Proportional to 245,861, 369,102.78 and 150,857.80

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Solution

The fourth proportional to 245,861, 369,102.78 and 150,857.80 is: 226,477.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,861 : 369,102.78 = 150,857.80 : x
  2. Step 2: Convert to fraction form
    245,861/369,102.78 = 150,857.80/x
  3. Step 3: Cross multiply
    245,861x = 369,102.78 × 150,857.80
  4. Step 4: Simplify right side
    245,861x = 55,682,033,364.68
  5. Step 5: Solve for x
    x = 55,682,033,364.68/245,861
  6. Step 6: Final answer
    x = 226,477.70

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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.