Finding the Fourth Proportional to 343,679.73, 474,277.01 and 190,740.96
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Solution
The fourth proportional to 343,679.73, 474,277.01 and 190,740.96 is: 263,221.96
Step by Step Solution
- Step 1: Write the proportion equation
343,679.73 : 474,277.01 = 190,740.96 : x - Step 2: Convert to fraction form
343,679.73/474,277.01 = 190,740.96/x - Step 3: Cross multiply
343,679.73x = 474,277.01 × 190,740.96 - Step 4: Simplify right side
343,679.73x = 90,464,051,239.62 - Step 5: Solve for x
x = 90,464,051,239.62/343,679.73 - Step 6: Final answer
x = 263,221.96
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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.