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Finding the Fourth Proportional to 266,016.64, 367,056.48 and 152,845.60

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Solution

The fourth proportional to 266,016.64, 367,056.48 and 152,845.60 is: 210,900.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,016.64 : 367,056.48 = 152,845.60 : x
  2. Step 2: Convert to fraction form
    266,016.64/367,056.48 = 152,845.60/x
  3. Step 3: Cross multiply
    266,016.64x = 367,056.48 × 152,845.60
  4. Step 4: Simplify right side
    266,016.64x = 56,102,967,919.49
  5. Step 5: Solve for x
    x = 56,102,967,919.49/266,016.64
  6. Step 6: Final answer
    x = 210,900.22

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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.