Finding the Fourth Proportional to 197,205.08, 272,143.02 and 107,781.08
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Solution
The fourth proportional to 197,205.08, 272,143.02 and 107,781.08 is: 148,737.90
Step by Step Solution
- Step 1: Write the proportion equation
197,205.08 : 272,143.02 = 107,781.08 : x - Step 2: Convert to fraction form
197,205.08/272,143.02 = 107,781.08/x - Step 3: Cross multiply
197,205.08x = 272,143.02 × 107,781.08 - Step 4: Simplify right side
197,205.08x = 29,331,868,610.06 - Step 5: Solve for x
x = 29,331,868,610.06/197,205.08 - Step 6: Final answer
x = 148,737.90
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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.