Finding the Fourth Proportional to 178,348.24, 246,123.30 and 106,731.28
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Solution
The fourth proportional to 178,348.24, 246,123.30 and 106,731.28 is: 147,290.80
Step by Step Solution
- Step 1: Write the proportion equation
178,348.24 : 246,123.30 = 106,731.28 : x - Step 2: Convert to fraction form
178,348.24/246,123.30 = 106,731.28/x - Step 3: Cross multiply
178,348.24x = 246,123.30 × 106,731.28 - Step 4: Simplify right side
178,348.24x = 26,269,054,846.82 - Step 5: Solve for x
x = 26,269,054,846.82/178,348.24 - Step 6: Final answer
x = 147,290.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.