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Finding the Fourth Proportional to 269,879.94, 372,465.90 and 224,477.82

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Solution

The fourth proportional to 269,879.94, 372,465.90 and 224,477.82 is: 309,805.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,879.94 : 372,465.90 = 224,477.82 : x
  2. Step 2: Convert to fraction form
    269,879.94/372,465.90 = 224,477.82/x
  3. Step 3: Cross multiply
    269,879.94x = 372,465.90 × 224,477.82
  4. Step 4: Simplify right side
    269,879.94x = 83,610,333,256.34
  5. Step 5: Solve for x
    x = 83,610,333,256.34/269,879.94
  6. Step 6: Final answer
    x = 309,805.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.