Finding the Fourth Proportional to 177,916.50, 245,517.54 and 106,335.99
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Solution
The fourth proportional to 177,916.50, 245,517.54 and 106,335.99 is: 146,739.35
Step by Step Solution
- Step 1: Write the proportion equation
177,916.50 : 245,517.54 = 106,335.99 : x - Step 2: Convert to fraction form
177,916.50/245,517.54 = 106,335.99/x - Step 3: Cross multiply
177,916.50x = 245,517.54 × 106,335.99 - Step 4: Simplify right side
177,916.50x = 26,107,350,678.26 - Step 5: Solve for x
x = 26,107,350,678.26/177,916.50 - Step 6: Final answer
x = 146,739.35
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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.