Finding the Fourth Proportional to 277,964.13, 416,921.49 and 75,552.96
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Solution
The fourth proportional to 277,964.13, 416,921.49 and 75,552.96 is: 113,322.72
Step by Step Solution
- Step 1: Write the proportion equation
277,964.13 : 416,921.49 = 75,552.96 : x - Step 2: Convert to fraction form
277,964.13/416,921.49 = 75,552.96/x - Step 3: Cross multiply
277,964.13x = 416,921.49 × 75,552.96 - Step 4: Simplify right side
277,964.13x = 31,499,652,657.11 - Step 5: Solve for x
x = 31,499,652,657.11/277,964.13 - Step 6: Final answer
x = 113,322.72
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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.