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Finding the Fourth Proportional to 203,329.94, 280,595.30 and 112,699.52

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Solution

The fourth proportional to 203,329.94, 280,595.30 and 112,699.52 is: 155,525.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,329.94 : 280,595.30 = 112,699.52 : x
  2. Step 2: Convert to fraction form
    203,329.94/280,595.30 = 112,699.52/x
  3. Step 3: Cross multiply
    203,329.94x = 280,595.30 × 112,699.52
  4. Step 4: Simplify right side
    203,329.94x = 31,622,953,657.78
  5. Step 5: Solve for x
    x = 31,622,953,657.78/203,329.94
  6. Step 6: Final answer
    x = 155,525.32

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.