Finding the Fourth Proportional to 299,871.36, 413,782.50 and 192,586.71
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Solution
The fourth proportional to 299,871.36, 413,782.50 and 192,586.71 is: 265,743.99
Step by Step Solution
- Step 1: Write the proportion equation
299,871.36 : 413,782.50 = 192,586.71 : x - Step 2: Convert to fraction form
299,871.36/413,782.50 = 192,586.71/x - Step 3: Cross multiply
299,871.36x = 413,782.50 × 192,586.71 - Step 4: Simplify right side
299,871.36x = 79,689,010,330.58 - Step 5: Solve for x
x = 79,689,010,330.58/299,871.36 - Step 6: Final answer
x = 265,743.99
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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.