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Finding the Fourth Proportional to 264,363.82, 364,822.54 and 143,505.19

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Solution

The fourth proportional to 264,363.82, 364,822.54 and 143,505.19 is: 198,037.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,363.82 : 364,822.54 = 143,505.19 : x
  2. Step 2: Convert to fraction form
    264,363.82/364,822.54 = 143,505.19/x
  3. Step 3: Cross multiply
    264,363.82x = 364,822.54 × 143,505.19
  4. Step 4: Simplify right side
    264,363.82x = 52,353,927,201.46
  5. Step 5: Solve for x
    x = 52,353,927,201.46/264,363.82
  6. Step 6: Final answer
    x = 198,037.41

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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.