Finding the Fourth Proportional to 177,916.20, 245,464.74 and 102,463.08
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Solution
The fourth proportional to 177,916.20, 245,464.74 and 102,463.08 is: 141,364.72
Step by Step Solution
- Step 1: Write the proportion equation
177,916.20 : 245,464.74 = 102,463.08 : x - Step 2: Convert to fraction form
177,916.20/245,464.74 = 102,463.08/x - Step 3: Cross multiply
177,916.20x = 245,464.74 × 102,463.08 - Step 4: Simplify right side
177,916.20x = 25,151,073,291.80 - Step 5: Solve for x
x = 25,151,073,291.80/177,916.20 - Step 6: Final answer
x = 141,364.72
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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.