Home / 245,946.23-368,919.41-189,868.21

Finding the Fourth Proportional to 245,946.23, 368,919.41 and 189,868.21

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Solution

The fourth proportional to 245,946.23, 368,919.41 and 189,868.21 is: 284,802.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,946.23 : 368,919.41 = 189,868.21 : x
  2. Step 2: Convert to fraction form
    245,946.23/368,919.41 = 189,868.21/x
  3. Step 3: Cross multiply
    245,946.23x = 368,919.41 × 189,868.21
  4. Step 4: Simplify right side
    245,946.23x = 70,046,068,010.96
  5. Step 5: Solve for x
    x = 70,046,068,010.96/245,946.23
  6. Step 6: Final answer
    x = 284,802.37

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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.