Home / 277,815.78-383,385.74-150,491.34

Finding the Fourth Proportional to 277,815.78, 383,385.74 and 150,491.34

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Solution

The fourth proportional to 277,815.78, 383,385.74 and 150,491.34 is: 207,678.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,815.78 : 383,385.74 = 150,491.34 : x
  2. Step 2: Convert to fraction form
    277,815.78/383,385.74 = 150,491.34/x
  3. Step 3: Cross multiply
    277,815.78x = 383,385.74 × 150,491.34
  4. Step 4: Simplify right side
    277,815.78x = 57,696,232,997.03
  5. Step 5: Solve for x
    x = 57,696,232,997.03/277,815.78
  6. Step 6: Final answer
    x = 207,678.03

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1.5x scale

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.