Home / 358,836.56-495,170.76-215,511.44

Finding the Fourth Proportional to 358,836.56, 495,170.76 and 215,511.44

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Solution

The fourth proportional to 358,836.56, 495,170.76 and 215,511.44 is: 297,391.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,836.56 : 495,170.76 = 215,511.44 : x
  2. Step 2: Convert to fraction form
    358,836.56/495,170.76 = 215,511.44/x
  3. Step 3: Cross multiply
    358,836.56x = 495,170.76 × 215,511.44
  4. Step 4: Simplify right side
    358,836.56x = 106,714,963,533.49
  5. Step 5: Solve for x
    x = 106,714,963,533.49/358,836.56
  6. Step 6: Final answer
    x = 297,391.56

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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.