Finding the Fourth Proportional to 197,834.54, 272,995.04 and 111,800.99
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Solution
The fourth proportional to 197,834.54, 272,995.04 and 111,800.99 is: 154,275.97
Step by Step Solution
- Step 1: Write the proportion equation
197,834.54 : 272,995.04 = 111,800.99 : x - Step 2: Convert to fraction form
197,834.54/272,995.04 = 111,800.99/x - Step 3: Cross multiply
197,834.54x = 272,995.04 × 111,800.99 - Step 4: Simplify right side
197,834.54x = 30,521,113,813.11 - Step 5: Solve for x
x = 30,521,113,813.11/197,834.54 - Step 6: Final answer
x = 154,275.97
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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.