Finding the Fourth Proportional to 302,844.14, 417,896.35 and 178,645.75
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Solution
The fourth proportional to 302,844.14, 417,896.35 and 178,645.75 is: 246,514.29
Step by Step Solution
- Step 1: Write the proportion equation
302,844.14 : 417,896.35 = 178,645.75 : x - Step 2: Convert to fraction form
302,844.14/417,896.35 = 178,645.75/x - Step 3: Cross multiply
302,844.14x = 417,896.35 × 178,645.75 - Step 4: Simplify right side
302,844.14x = 74,655,408,480.99 - Step 5: Solve for x
x = 74,655,408,480.99/302,844.14 - Step 6: Final answer
x = 246,514.29
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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.