Home / 277,579.28-383,077.11-156,676.45

Finding the Fourth Proportional to 277,579.28, 383,077.11 and 156,676.45

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Solution

The fourth proportional to 277,579.28, 383,077.11 and 156,676.45 is: 216,223.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,579.28 : 383,077.11 = 156,676.45 : x
  2. Step 2: Convert to fraction form
    277,579.28/383,077.11 = 156,676.45/x
  3. Step 3: Cross multiply
    277,579.28x = 383,077.11 × 156,676.45
  4. Step 4: Simplify right side
    277,579.28x = 60,019,161,671.06
  5. Step 5: Solve for x
    x = 60,019,161,671.06/277,579.28
  6. Step 6: Final answer
    x = 216,223.49

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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.