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Finding the Fourth Proportional to 245,959.48, 368,939.37 and 189,881.51

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Solution

The fourth proportional to 245,959.48, 368,939.37 and 189,881.51 is: 284,822.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,959.48 : 368,939.37 = 189,881.51 : x
  2. Step 2: Convert to fraction form
    245,959.48/368,939.37 = 189,881.51/x
  3. Step 3: Cross multiply
    245,959.48x = 368,939.37 × 189,881.51
  4. Step 4: Simplify right side
    245,959.48x = 70,054,764,674.05
  5. Step 5: Solve for x
    x = 70,054,764,674.05/245,959.48
  6. Step 6: Final answer
    x = 284,822.39

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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.