Finding the Fourth Proportional to 247,338.36, 371,034.41 and 78,819.08
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Solution
The fourth proportional to 247,338.36, 371,034.41 and 78,819.08 is: 118,237.17
Step by Step Solution
- Step 1: Write the proportion equation
247,338.36 : 371,034.41 = 78,819.08 : x - Step 2: Convert to fraction form
247,338.36/371,034.41 = 78,819.08/x - Step 3: Cross multiply
247,338.36x = 371,034.41 × 78,819.08 - Step 4: Simplify right side
247,338.36x = 29,244,588,595.28 - Step 5: Solve for x
x = 29,244,588,595.28/247,338.36 - Step 6: Final answer
x = 118,237.17
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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.