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Finding the Fourth Proportional to 294,389.78, 441,281.72 and 117,022.46

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Solution

The fourth proportional to 294,389.78, 441,281.72 and 117,022.46 is: 175,413.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,389.78 : 441,281.72 = 117,022.46 : x
  2. Step 2: Convert to fraction form
    294,389.78/441,281.72 = 117,022.46/x
  3. Step 3: Cross multiply
    294,389.78x = 441,281.72 × 117,022.46
  4. Step 4: Simplify right side
    294,389.78x = 51,639,870,513.58
  5. Step 5: Solve for x
    x = 51,639,870,513.58/294,389.78
  6. Step 6: Final answer
    x = 175,413.26

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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.