Finding the Fourth Proportional to 792,118.65, 1,188,177.98 and 259,657.05
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Solution
The fourth proportional to 792,118.65, 1,188,177.98 and 259,657.05 is: 389,485.58
Step by Step Solution
- Step 1: Write the proportion equation
792,118.65 : 1,188,177.98 = 259,657.05 : x - Step 2: Convert to fraction form
792,118.65/1,188,177.98 = 259,657.05/x - Step 3: Cross multiply
792,118.65x = 1,188,177.98 × 259,657.05 - Step 4: Simplify right side
792,118.65x = 308,518,787,863.47 - Step 5: Solve for x
x = 308,518,787,863.47/792,118.65 - Step 6: Final answer
x = 389,485.58
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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.