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Finding the Fourth Proportional to 277,354.44, 416,291.67 and 144,328.95

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Solution

The fourth proportional to 277,354.44, 416,291.67 and 144,328.95 is: 216,628.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,354.44 : 416,291.67 = 144,328.95 : x
  2. Step 2: Convert to fraction form
    277,354.44/416,291.67 = 144,328.95/x
  3. Step 3: Cross multiply
    277,354.44x = 416,291.67 × 144,328.95
  4. Step 4: Simplify right side
    277,354.44x = 60,082,939,624.85
  5. Step 5: Solve for x
    x = 60,082,939,624.85/277,354.44
  6. Step 6: Final answer
    x = 216,628.73

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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.