Finding the Fourth Proportional to 178,348.74, 246,123.99 and 106,731.78
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Solution
The fourth proportional to 178,348.74, 246,123.99 and 106,731.78 is: 147,291.49
Step by Step Solution
- Step 1: Write the proportion equation
178,348.74 : 246,123.99 = 106,731.78 : x - Step 2: Convert to fraction form
178,348.74/246,123.99 = 106,731.78/x - Step 3: Cross multiply
178,348.74x = 246,123.99 × 106,731.78 - Step 4: Simplify right side
178,348.74x = 26,269,251,553.40 - Step 5: Solve for x
x = 26,269,251,553.40/178,348.74 - Step 6: Final answer
x = 147,291.49
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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.