Finding the Fourth Proportional to 368,198.13, 508,110.21 and 207,049.74
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Solution
The fourth proportional to 368,198.13, 508,110.21 and 207,049.74 is: 285,726.84
Step by Step Solution
- Step 1: Write the proportion equation
368,198.13 : 508,110.21 = 207,049.74 : x - Step 2: Convert to fraction form
368,198.13/508,110.21 = 207,049.74/x - Step 3: Cross multiply
368,198.13x = 508,110.21 × 207,049.74 - Step 4: Simplify right side
368,198.13x = 105,204,086,871.85 - Step 5: Solve for x
x = 105,204,086,871.85/368,198.13 - Step 6: Final answer
x = 285,726.84
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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.