Finding the Fourth Proportional to 462,427.67, 691,897.32 and 272,991.08
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Solution
The fourth proportional to 462,427.67, 691,897.32 and 272,991.08 is: 408,456.95
Step by Step Solution
- Step 1: Write the proportion equation
462,427.67 : 691,897.32 = 272,991.08 : x - Step 2: Convert to fraction form
462,427.67/691,897.32 = 272,991.08/x - Step 3: Cross multiply
462,427.67x = 691,897.32 × 272,991.08 - Step 4: Simplify right side
462,427.67x = 188,881,793,176.42 - Step 5: Solve for x
x = 188,881,793,176.42/462,427.67 - Step 6: Final answer
x = 408,456.95
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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.