Finding the Fourth Proportional to 343,740.82, 474,355.19 and 190,770.13
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Solution
The fourth proportional to 343,740.82, 474,355.19 and 190,770.13 is: 263,258.82
Step by Step Solution
- Step 1: Write the proportion equation
343,740.82 : 474,355.19 = 190,770.13 : x - Step 2: Convert to fraction form
343,740.82/474,355.19 = 190,770.13/x - Step 3: Cross multiply
343,740.82x = 474,355.19 × 190,770.13 - Step 4: Simplify right side
343,740.82x = 90,492,800,553.51 - Step 5: Solve for x
x = 90,492,800,553.51/343,740.82 - Step 6: Final answer
x = 263,258.82
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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.