Finding the Fourth Proportional to 277,912.60, 416,285.70 and 218,465.08
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Solution
The fourth proportional to 277,912.60, 416,285.70 and 218,465.08 is: 327,239.17
Step by Step Solution
- Step 1: Write the proportion equation
277,912.60 : 416,285.70 = 218,465.08 : x - Step 2: Convert to fraction form
277,912.60/416,285.70 = 218,465.08/x - Step 3: Cross multiply
277,912.60x = 416,285.70 × 218,465.08 - Step 4: Simplify right side
277,912.60x = 90,943,888,753.36 - Step 5: Solve for x
x = 90,943,888,753.36/277,912.60 - Step 6: Final answer
x = 327,239.17
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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.