Finding the Fourth Proportional to 343,739.68, 474,353.62 and 190,768.99
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Solution
The fourth proportional to 343,739.68, 474,353.62 and 190,768.99 is: 263,257.24
Step by Step Solution
- Step 1: Write the proportion equation
343,739.68 : 474,353.62 = 190,768.99 : x - Step 2: Convert to fraction form
343,739.68/474,353.62 = 190,768.99/x - Step 3: Cross multiply
343,739.68x = 474,353.62 × 190,768.99 - Step 4: Simplify right side
343,739.68x = 90,491,960,990.24 - Step 5: Solve for x
x = 90,491,960,990.24/343,739.68 - Step 6: Final answer
x = 263,257.24
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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.