Finding the Fourth Proportional to 368,470.67, 552,706.14 and 131,799.20
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Solution
The fourth proportional to 368,470.67, 552,706.14 and 131,799.20 is: 197,698.85
Step by Step Solution
- Step 1: Write the proportion equation
368,470.67 : 552,706.14 = 131,799.20 : x - Step 2: Convert to fraction form
368,470.67/552,706.14 = 131,799.20/x - Step 3: Cross multiply
368,470.67x = 552,706.14 × 131,799.20 - Step 4: Simplify right side
368,470.67x = 72,846,227,087.09 - Step 5: Solve for x
x = 72,846,227,087.09/368,470.67 - Step 6: Final answer
x = 197,698.85
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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.