Finding the Fourth Proportional to 299,765.08, 413,479.92 and 192,164.68
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Solution
The fourth proportional to 299,765.08, 413,479.92 and 192,164.68 is: 265,061.68
Step by Step Solution
- Step 1: Write the proportion equation
299,765.08 : 413,479.92 = 192,164.68 : x - Step 2: Convert to fraction form
299,765.08/413,479.92 = 192,164.68/x - Step 3: Cross multiply
299,765.08x = 413,479.92 × 192,164.68 - Step 4: Simplify right side
299,765.08x = 79,456,236,513.23 - Step 5: Solve for x
x = 79,456,236,513.23/299,765.08 - Step 6: Final answer
x = 265,061.68
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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.