Home / 204,004.60-306,006.90-190,007.80

Finding the Fourth Proportional to 204,004.60, 306,006.90 and 190,007.80

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Solution

The fourth proportional to 204,004.60, 306,006.90 and 190,007.80 is: 285,011.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,004.60 : 306,006.90 = 190,007.80 : x
  2. Step 2: Convert to fraction form
    204,004.60/306,006.90 = 190,007.80/x
  3. Step 3: Cross multiply
    204,004.60x = 306,006.90 × 190,007.80
  4. Step 4: Simplify right side
    204,004.60x = 58,143,697,853.82
  5. Step 5: Solve for x
    x = 58,143,697,853.82/204,004.60
  6. Step 6: Final answer
    x = 285,011.70

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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.