Finding the Fourth Proportional to 306,774.49, 423,556.61 and 192,099.14
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Solution
The fourth proportional to 306,774.49, 423,556.61 and 192,099.14 is: 265,226.95
Step by Step Solution
- Step 1: Write the proportion equation
306,774.49 : 423,556.61 = 192,099.14 : x - Step 2: Convert to fraction form
306,774.49/423,556.61 = 192,099.14/x - Step 3: Cross multiply
306,774.49x = 423,556.61 × 192,099.14 - Step 4: Simplify right side
306,774.49x = 81,364,860,620.71 - Step 5: Solve for x
x = 81,364,860,620.71/306,774.49 - Step 6: Final answer
x = 265,226.95
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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.