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Finding the Fourth Proportional to 431,852.94, 595,957.86 and 240,878.70

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Solution

The fourth proportional to 431,852.94, 595,957.86 and 240,878.70 is: 332,413.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,852.94 : 595,957.86 = 240,878.70 : x
  2. Step 2: Convert to fraction form
    431,852.94/595,957.86 = 240,878.70/x
  3. Step 3: Cross multiply
    431,852.94x = 595,957.86 × 240,878.70
  4. Step 4: Simplify right side
    431,852.94x = 143,553,554,571.58
  5. Step 5: Solve for x
    x = 143,553,554,571.58/431,852.94
  6. Step 6: Final answer
    x = 332,413.05

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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.