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Finding the Fourth Proportional to 296,390.37, 444,668.81 and 119,021.94

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Solution

The fourth proportional to 296,390.37, 444,668.81 and 119,021.94 is: 178,566.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,390.37 : 444,668.81 = 119,021.94 : x
  2. Step 2: Convert to fraction form
    296,390.37/444,668.81 = 119,021.94/x
  3. Step 3: Cross multiply
    296,390.37x = 444,668.81 × 119,021.94
  4. Step 4: Simplify right side
    296,390.37x = 52,925,343,828.58
  5. Step 5: Solve for x
    x = 52,925,343,828.58/296,390.37
  6. Step 6: Final answer
    x = 178,566.34

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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.