Finding the Fourth Proportional to 302,959.84, 418,155.76 and 188,324.96
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Solution
The fourth proportional to 302,959.84, 418,155.76 and 188,324.96 is: 259,932.69
Step by Step Solution
- Step 1: Write the proportion equation
302,959.84 : 418,155.76 = 188,324.96 : x - Step 2: Convert to fraction form
302,959.84/418,155.76 = 188,324.96/x - Step 3: Cross multiply
302,959.84x = 418,155.76 × 188,324.96 - Step 4: Simplify right side
302,959.84x = 78,749,166,775.77 - Step 5: Solve for x
x = 78,749,166,775.77/302,959.84 - Step 6: Final answer
x = 259,932.69
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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.