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Finding the Fourth Proportional to 294,485.36, 405,904.56 and 208,333.04

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Solution

The fourth proportional to 294,485.36, 405,904.56 and 208,333.04 is: 287,156.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,485.36 : 405,904.56 = 208,333.04 : x
  2. Step 2: Convert to fraction form
    294,485.36/405,904.56 = 208,333.04/x
  3. Step 3: Cross multiply
    294,485.36x = 405,904.56 × 208,333.04
  4. Step 4: Simplify right side
    294,485.36x = 84,563,330,934.66
  5. Step 5: Solve for x
    x = 84,563,330,934.66/294,485.36
  6. Step 6: Final answer
    x = 287,156.32

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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.