Finding the Fourth Proportional to 229,368.02, 344,099.87 and 115,579.79
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Solution
The fourth proportional to 229,368.02, 344,099.87 and 115,579.79 is: 173,393.78
Step by Step Solution
- Step 1: Write the proportion equation
229,368.02 : 344,099.87 = 115,579.79 : x - Step 2: Convert to fraction form
229,368.02/344,099.87 = 115,579.79/x - Step 3: Cross multiply
229,368.02x = 344,099.87 × 115,579.79 - Step 4: Simplify right side
229,368.02x = 39,770,988,415.23 - Step 5: Solve for x
x = 39,770,988,415.23/229,368.02 - Step 6: Final answer
x = 173,393.78
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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.