Finding the Fourth Proportional to 226,538.70, 339,721.65 and 68,714.70
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Solution
The fourth proportional to 226,538.70, 339,721.65 and 68,714.70 is: 103,045.84
Step by Step Solution
- Step 1: Write the proportion equation
226,538.70 : 339,721.65 = 68,714.70 : x - Step 2: Convert to fraction form
226,538.70/339,721.65 = 68,714.70/x - Step 3: Cross multiply
226,538.70x = 339,721.65 × 68,714.70 - Step 4: Simplify right side
226,538.70x = 23,343,871,263.26 - Step 5: Solve for x
x = 23,343,871,263.26/226,538.70 - Step 6: Final answer
x = 103,045.84
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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.