Finding the Fourth Proportional to 310,546.08, 428,555.28 and 176,414.88
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Solution
The fourth proportional to 310,546.08, 428,555.28 and 176,414.88 is: 243,453.49
Step by Step Solution
- Step 1: Write the proportion equation
310,546.08 : 428,555.28 = 176,414.88 : x - Step 2: Convert to fraction form
310,546.08/428,555.28 = 176,414.88/x - Step 3: Cross multiply
310,546.08x = 428,555.28 × 176,414.88 - Step 4: Simplify right side
310,546.08x = 75,603,528,294.57 - Step 5: Solve for x
x = 75,603,528,294.57/310,546.08 - Step 6: Final answer
x = 243,453.49
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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.