Finding the Fourth Proportional to 274,746.63, 379,154.15 and 179,198.49
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Solution
The fourth proportional to 274,746.63, 379,154.15 and 179,198.49 is: 247,296.39
Step by Step Solution
- Step 1: Write the proportion equation
274,746.63 : 379,154.15 = 179,198.49 : x - Step 2: Convert to fraction form
274,746.63/379,154.15 = 179,198.49/x - Step 3: Cross multiply
274,746.63x = 379,154.15 × 179,198.49 - Step 4: Simplify right side
274,746.63x = 67,943,850,261.24 - Step 5: Solve for x
x = 67,943,850,261.24/274,746.63 - Step 6: Final answer
x = 247,296.39
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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.