Finding the Fourth Proportional to 100,565.30, 150,845.61 and 50,631.99
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Solution
The fourth proportional to 100,565.30, 150,845.61 and 50,631.99 is: 75,946.80
Step by Step Solution
- Step 1: Write the proportion equation
100,565.30 : 150,845.61 = 50,631.99 : x - Step 2: Convert to fraction form
100,565.30/150,845.61 = 50,631.99/x - Step 3: Cross multiply
100,565.30x = 150,845.61 × 50,631.99 - Step 4: Simplify right side
100,565.30x = 7,637,612,756.46 - Step 5: Solve for x
x = 7,637,612,756.46/100,565.30 - Step 6: Final answer
x = 75,946.80
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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.