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Finding the Fourth Proportional to 277,804.76, 383,361.56 and 155,293.88

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Solution

The fourth proportional to 277,804.76, 383,361.56 and 155,293.88 is: 214,300.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,804.76 : 383,361.56 = 155,293.88 : x
  2. Step 2: Convert to fraction form
    277,804.76/383,361.56 = 155,293.88/x
  3. Step 3: Cross multiply
    277,804.76x = 383,361.56 × 155,293.88
  4. Step 4: Simplify right side
    277,804.76x = 59,533,704,095.25
  5. Step 5: Solve for x
    x = 59,533,704,095.25/277,804.76
  6. Step 6: Final answer
    x = 214,300.52

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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.