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Finding the Fourth Proportional to 266,879.04, 367,869.60 and 210,200.64

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Solution

The fourth proportional to 266,879.04, 367,869.60 and 210,200.64 is: 289,743.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,879.04 : 367,869.60 = 210,200.64 : x
  2. Step 2: Convert to fraction form
    266,879.04/367,869.60 = 210,200.64/x
  3. Step 3: Cross multiply
    266,879.04x = 367,869.60 × 210,200.64
  4. Step 4: Simplify right side
    266,879.04x = 77,326,425,356.54
  5. Step 5: Solve for x
    x = 77,326,425,356.54/266,879.04
  6. Step 6: Final answer
    x = 289,743.34

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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.