Finding the Fourth Proportional to 339,968.09, 469,156.44 and 189,065.09
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Solution
The fourth proportional to 339,968.09, 469,156.44 and 189,065.09 is: 260,910.09
Step by Step Solution
- Step 1: Write the proportion equation
339,968.09 : 469,156.44 = 189,065.09 : x - Step 2: Convert to fraction form
339,968.09/469,156.44 = 189,065.09/x - Step 3: Cross multiply
339,968.09x = 469,156.44 × 189,065.09 - Step 4: Simplify right side
339,968.09x = 88,701,104,552.68 - Step 5: Solve for x
x = 88,701,104,552.68/339,968.09 - Step 6: Final answer
x = 260,910.09
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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.