Finding the Fourth Proportional to 242,596.60, 363,797.70 and 84,743.80
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Solution
The fourth proportional to 242,596.60, 363,797.70 and 84,743.80 is: 127,081.75
Step by Step Solution
- Step 1: Write the proportion equation
242,596.60 : 363,797.70 = 84,743.80 : x - Step 2: Convert to fraction form
242,596.60/363,797.70 = 84,743.80/x - Step 3: Cross multiply
242,596.60x = 363,797.70 × 84,743.80 - Step 4: Simplify right side
242,596.60x = 30,829,599,529.26 - Step 5: Solve for x
x = 30,829,599,529.26/242,596.60 - Step 6: Final answer
x = 127,081.75
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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.