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Finding the Fourth Proportional to 353,980.80, 531,238.50 and 241,394.04

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Solution

The fourth proportional to 353,980.80, 531,238.50 and 241,394.04 is: 362,273.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,980.80 : 531,238.50 = 241,394.04 : x
  2. Step 2: Convert to fraction form
    353,980.80/531,238.50 = 241,394.04/x
  3. Step 3: Cross multiply
    353,980.80x = 531,238.50 × 241,394.04
  4. Step 4: Simplify right side
    353,980.80x = 128,237,807,718.54
  5. Step 5: Solve for x
    x = 128,237,807,718.54/353,980.80
  6. Step 6: Final answer
    x = 362,273.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.