Finding the Fourth Proportional to 368,517.44, 552,879.84 and 131,893.76
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Solution
The fourth proportional to 368,517.44, 552,879.84 and 131,893.76 is: 197,877.75
Step by Step Solution
- Step 1: Write the proportion equation
368,517.44 : 552,879.84 = 131,893.76 : x - Step 2: Convert to fraction form
368,517.44/552,879.84 = 131,893.76/x - Step 3: Cross multiply
368,517.44x = 552,879.84 × 131,893.76 - Step 4: Simplify right side
368,517.44x = 72,921,400,925.80 - Step 5: Solve for x
x = 72,921,400,925.80/368,517.44 - Step 6: Final answer
x = 197,877.75
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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.