Finding the Fourth Proportional to 386,968.18, 580,187.28 and 197,060.94
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Solution
The fourth proportional to 386,968.18, 580,187.28 and 197,060.94 is: 295,456.46
Step by Step Solution
- Step 1: Write the proportion equation
386,968.18 : 580,187.28 = 197,060.94 : x - Step 2: Convert to fraction form
386,968.18/580,187.28 = 197,060.94/x - Step 3: Cross multiply
386,968.18x = 580,187.28 × 197,060.94 - Step 4: Simplify right side
386,968.18x = 114,332,248,227.65 - Step 5: Solve for x
x = 114,332,248,227.65/386,968.18 - Step 6: Final answer
x = 295,456.46
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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.