Finding the Fourth Proportional to 343,542.38, 474,089.67 and 190,583.60
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Solution
The fourth proportional to 343,542.38, 474,089.67 and 190,583.60 is: 263,006.02
Step by Step Solution
- Step 1: Write the proportion equation
343,542.38 : 474,089.67 = 190,583.60 : x - Step 2: Convert to fraction form
343,542.38/474,089.67 = 190,583.60/x - Step 3: Cross multiply
343,542.38x = 474,089.67 × 190,583.60 - Step 4: Simplify right side
343,542.38x = 90,353,713,660.96 - Step 5: Solve for x
x = 90,353,713,660.96/343,542.38 - Step 6: Final answer
x = 263,006.02
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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.