Finding the Fourth Proportional to 343,904.26, 474,602.69 and 190,942.45
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Solution
The fourth proportional to 343,904.26, 474,602.69 and 190,942.45 is: 263,508.80
Step by Step Solution
- Step 1: Write the proportion equation
343,904.26 : 474,602.69 = 190,942.45 : x - Step 2: Convert to fraction form
343,904.26/474,602.69 = 190,942.45/x - Step 3: Cross multiply
343,904.26x = 474,602.69 × 190,942.45 - Step 4: Simplify right side
343,904.26x = 90,621,800,405.19 - Step 5: Solve for x
x = 90,621,800,405.19/343,904.26 - Step 6: Final answer
x = 263,508.80
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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.