Finding the Fourth Proportional to 343,739.57, 474,353.47 and 190,768.88
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Solution
The fourth proportional to 343,739.57, 474,353.47 and 190,768.88 is: 263,257.09
Step by Step Solution
- Step 1: Write the proportion equation
343,739.57 : 474,353.47 = 190,768.88 : x - Step 2: Convert to fraction form
343,739.57/474,353.47 = 190,768.88/x - Step 3: Cross multiply
343,739.57x = 474,353.47 × 190,768.88 - Step 4: Simplify right side
343,739.57x = 90,491,880,196.01 - Step 5: Solve for x
x = 90,491,880,196.01/343,739.57 - Step 6: Final answer
x = 263,257.09
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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.