Finding the Fourth Proportional to 198,373.86, 273,750.57 and 107,725.68
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Solution
The fourth proportional to 198,373.86, 273,750.57 and 107,725.68 is: 148,658.53
Step by Step Solution
- Step 1: Write the proportion equation
198,373.86 : 273,750.57 = 107,725.68 : x - Step 2: Convert to fraction form
198,373.86/273,750.57 = 107,725.68/x - Step 3: Cross multiply
198,373.86x = 273,750.57 × 107,725.68 - Step 4: Simplify right side
198,373.86x = 29,489,966,303.64 - Step 5: Solve for x
x = 29,489,966,303.64/198,373.86 - Step 6: Final answer
x = 148,658.53
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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.