Finding the Fourth Proportional to 319,994.14, 441,583.44 and 176,751.10
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Solution
The fourth proportional to 319,994.14, 441,583.44 and 176,751.10 is: 243,911.84
Step by Step Solution
- Step 1: Write the proportion equation
319,994.14 : 441,583.44 = 176,751.10 : x - Step 2: Convert to fraction form
319,994.14/441,583.44 = 176,751.10/x - Step 3: Cross multiply
319,994.14x = 441,583.44 × 176,751.10 - Step 4: Simplify right side
319,994.14x = 78,050,358,761.78 - Step 5: Solve for x
x = 78,050,358,761.78/319,994.14 - Step 6: Final answer
x = 243,911.84
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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.