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Finding the Fourth Proportional to 264,336.67, 364,784.96 and 143,477.98

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Solution

The fourth proportional to 264,336.67, 364,784.96 and 143,477.98 is: 197,999.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,336.67 : 364,784.96 = 143,477.98 : x
  2. Step 2: Convert to fraction form
    264,336.67/364,784.96 = 143,477.98/x
  3. Step 3: Cross multiply
    264,336.67x = 364,784.96 × 143,477.98
  4. Step 4: Simplify right side
    264,336.67x = 52,338,609,195.18
  5. Step 5: Solve for x
    x = 52,338,609,195.18/264,336.67
  6. Step 6: Final answer
    x = 197,999.81

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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.