Finding the Fourth Proportional to 100,948.33, 151,429.79 and 40,947.99
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Solution
The fourth proportional to 100,948.33, 151,429.79 and 40,947.99 is: 61,424.94
Step by Step Solution
- Step 1: Write the proportion equation
100,948.33 : 151,429.79 = 40,947.99 : x - Step 2: Convert to fraction form
100,948.33/151,429.79 = 40,947.99/x - Step 3: Cross multiply
100,948.33x = 151,429.79 × 40,947.99 - Step 4: Simplify right side
100,948.33x = 6,200,745,526.62 - Step 5: Solve for x
x = 6,200,745,526.62/100,948.33 - Step 6: Final answer
x = 61,424.94
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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.