Finding the Fourth Proportional to 298,620.19, 447,765.04 and 118,523.17
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Solution
The fourth proportional to 298,620.19, 447,765.04 and 118,523.17 is: 177,719.17
Step by Step Solution
- Step 1: Write the proportion equation
298,620.19 : 447,765.04 = 118,523.17 : x - Step 2: Convert to fraction form
298,620.19/447,765.04 = 118,523.17/x - Step 3: Cross multiply
298,620.19x = 447,765.04 × 118,523.17 - Step 4: Simplify right side
298,620.19x = 53,070,531,955.98 - Step 5: Solve for x
x = 53,070,531,955.98/298,620.19 - Step 6: Final answer
x = 177,719.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.