Finding the Fourth Proportional to 298,141.41, 447,212.11 and 120,772.97
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Solution
The fourth proportional to 298,141.41, 447,212.11 and 120,772.97 is: 181,159.46
Step by Step Solution
- Step 1: Write the proportion equation
298,141.41 : 447,212.11 = 120,772.97 : x - Step 2: Convert to fraction form
298,141.41/447,212.11 = 120,772.97/x - Step 3: Cross multiply
298,141.41x = 447,212.11 × 120,772.97 - Step 4: Simplify right side
298,141.41x = 54,011,136,965.41 - Step 5: Solve for x
x = 54,011,136,965.41/298,141.41 - Step 6: Final answer
x = 181,159.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.