Finding the Fourth Proportional to 212,658.29, 293,475.09 and 122,030.84
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Solution
The fourth proportional to 212,658.29, 293,475.09 and 122,030.84 is: 168,406.37
Step by Step Solution
- Step 1: Write the proportion equation
212,658.29 : 293,475.09 = 122,030.84 : x - Step 2: Convert to fraction form
212,658.29/293,475.09 = 122,030.84/x - Step 3: Cross multiply
212,658.29x = 293,475.09 × 122,030.84 - Step 4: Simplify right side
212,658.29x = 35,813,010,284.40 - Step 5: Solve for x
x = 35,813,010,284.40/212,658.29 - Step 6: Final answer
x = 168,406.37
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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.