Finding the Fourth Proportional to 154,986.70, 232,480.05 and 109,715.80
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Solution
The fourth proportional to 154,986.70, 232,480.05 and 109,715.80 is: 164,573.70
Step by Step Solution
- Step 1: Write the proportion equation
154,986.70 : 232,480.05 = 109,715.80 : x - Step 2: Convert to fraction form
154,986.70/232,480.05 = 109,715.80/x - Step 3: Cross multiply
154,986.70x = 232,480.05 × 109,715.80 - Step 4: Simplify right side
154,986.70x = 25,506,734,669.79 - Step 5: Solve for x
x = 25,506,734,669.79/154,986.70 - Step 6: Final answer
x = 164,573.70
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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.