Finding the Fourth Proportional to 343,816.43, 474,462.50 and 190,855.82
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Solution
The fourth proportional to 343,816.43, 474,462.50 and 190,855.82 is: 263,378.72
Step by Step Solution
- Step 1: Write the proportion equation
343,816.43 : 474,462.50 = 190,855.82 : x - Step 2: Convert to fraction form
343,816.43/474,462.50 = 190,855.82/x - Step 3: Cross multiply
343,816.43x = 474,462.50 × 190,855.82 - Step 4: Simplify right side
343,816.43x = 90,553,929,728.63 - Step 5: Solve for x
x = 90,553,929,728.63/343,816.43 - Step 6: Final answer
x = 263,378.72
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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.