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Finding the Fourth Proportional to 264,703.70, 397,064.88 and 84,794.60

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Solution

The fourth proportional to 264,703.70, 397,064.88 and 84,794.60 is: 127,194.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,703.70 : 397,064.88 = 84,794.60 : x
  2. Step 2: Convert to fraction form
    264,703.70/397,064.88 = 84,794.60/x
  3. Step 3: Cross multiply
    264,703.70x = 397,064.88 × 84,794.60
  4. Step 4: Simplify right side
    264,703.70x = 33,668,957,673.65
  5. Step 5: Solve for x
    x = 33,668,957,673.65/264,703.70
  6. Step 6: Final answer
    x = 127,194.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.