Finding the Fourth Proportional to 347,782.84, 479,933.10 and 188,806.84
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Solution
The fourth proportional to 347,782.84, 479,933.10 and 188,806.84 is: 260,549.52
Step by Step Solution
- Step 1: Write the proportion equation
347,782.84 : 479,933.10 = 188,806.84 : x - Step 2: Convert to fraction form
347,782.84/479,933.10 = 188,806.84/x - Step 3: Cross multiply
347,782.84x = 479,933.10 × 188,806.84 - Step 4: Simplify right side
347,782.84x = 90,614,652,022.40 - Step 5: Solve for x
x = 90,614,652,022.40/347,782.84 - Step 6: Final answer
x = 260,549.52
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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.