Home / 277,829.72-383,382.24-156,981.50

Finding the Fourth Proportional to 277,829.72, 383,382.24 and 156,981.50

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Solution

The fourth proportional to 277,829.72, 383,382.24 and 156,981.50 is: 216,621.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,829.72 : 383,382.24 = 156,981.50 : x
  2. Step 2: Convert to fraction form
    277,829.72/383,382.24 = 156,981.50/x
  3. Step 3: Cross multiply
    277,829.72x = 383,382.24 × 156,981.50
  4. Step 4: Simplify right side
    277,829.72x = 60,183,919,108.56
  5. Step 5: Solve for x
    x = 60,183,919,108.56/277,829.72
  6. Step 6: Final answer
    x = 216,621.60

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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.