Finding the Fourth Proportional to 229,916.76, 344,774.60 and 115,994.47
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Solution
The fourth proportional to 229,916.76, 344,774.60 and 115,994.47 is: 173,940.99
Step by Step Solution
- Step 1: Write the proportion equation
229,916.76 : 344,774.60 = 115,994.47 : x - Step 2: Convert to fraction form
229,916.76/344,774.60 = 115,994.47/x - Step 3: Cross multiply
229,916.76x = 344,774.60 × 115,994.47 - Step 4: Simplify right side
229,916.76x = 39,991,947,925.13 - Step 5: Solve for x
x = 39,991,947,925.13/229,916.76 - Step 6: Final answer
x = 173,940.99
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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.