Finding the Fourth Proportional to 149,582.08, 206,423.85 and 81,600.49
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Solution
The fourth proportional to 149,582.08, 206,423.85 and 81,600.49 is: 112,608.99
Step by Step Solution
- Step 1: Write the proportion equation
149,582.08 : 206,423.85 = 81,600.49 : x - Step 2: Convert to fraction form
149,582.08/206,423.85 = 81,600.49/x - Step 3: Cross multiply
149,582.08x = 206,423.85 × 81,600.49 - Step 4: Simplify right side
149,582.08x = 16,844,287,307.69 - Step 5: Solve for x
x = 16,844,287,307.69/149,582.08 - Step 6: Final answer
x = 112,608.99
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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.