Finding the Fourth Proportional to 214,644.04, 321,966.06 and 74,402.66
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Solution
The fourth proportional to 214,644.04, 321,966.06 and 74,402.66 is: 111,603.99
Step by Step Solution
- Step 1: Write the proportion equation
214,644.04 : 321,966.06 = 74,402.66 : x - Step 2: Convert to fraction form
214,644.04/321,966.06 = 74,402.66/x - Step 3: Cross multiply
214,644.04x = 321,966.06 × 74,402.66 - Step 4: Simplify right side
214,644.04x = 23,955,131,293.72 - Step 5: Solve for x
x = 23,955,131,293.72/214,644.04 - Step 6: Final answer
x = 111,603.99
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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.