Finding the Fourth Proportional to 117,267.19, 161,846.09 and 74,250.68
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Solution
The fourth proportional to 117,267.19, 161,846.09 and 74,250.68 is: 102,476.93
Step by Step Solution
- Step 1: Write the proportion equation
117,267.19 : 161,846.09 = 74,250.68 : x - Step 2: Convert to fraction form
117,267.19/161,846.09 = 74,250.68/x - Step 3: Cross multiply
117,267.19x = 161,846.09 × 74,250.68 - Step 4: Simplify right side
117,267.19x = 12,017,181,895.40 - Step 5: Solve for x
x = 12,017,181,895.40/117,267.19 - Step 6: Final answer
x = 102,476.93
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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.