Finding the Fourth Proportional to 343,517.60, 474,057.14 and 190,565.80
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Solution
The fourth proportional to 343,517.60, 474,057.14 and 190,565.80 is: 262,982.39
Step by Step Solution
- Step 1: Write the proportion equation
343,517.60 : 474,057.14 = 190,565.80 : x - Step 2: Convert to fraction form
343,517.60/474,057.14 = 190,565.80/x - Step 3: Cross multiply
343,517.60x = 474,057.14 × 190,565.80 - Step 4: Simplify right side
343,517.60x = 90,339,078,129.81 - Step 5: Solve for x
x = 90,339,078,129.81/343,517.60 - Step 6: Final answer
x = 262,982.39
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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.