Home / 277,865.77-383,313.68-175,719.20

Finding the Fourth Proportional to 277,865.77, 383,313.68 and 175,719.20

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Solution

The fourth proportional to 277,865.77, 383,313.68 and 175,719.20 is: 242,403.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,865.77 : 383,313.68 = 175,719.20 : x
  2. Step 2: Convert to fraction form
    277,865.77/383,313.68 = 175,719.20/x
  3. Step 3: Cross multiply
    277,865.77x = 383,313.68 × 175,719.20
  4. Step 4: Simplify right side
    277,865.77x = 67,355,573,198.66
  5. Step 5: Solve for x
    x = 67,355,573,198.66/277,865.77
  6. Step 6: Final answer
    x = 242,403.28

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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.