Finding the Fourth Proportional to 319,395.24, 479,788.31 and 193,094.96
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Solution
The fourth proportional to 319,395.24, 479,788.31 and 193,094.96 is: 290,062.88
Step by Step Solution
- Step 1: Write the proportion equation
319,395.24 : 479,788.31 = 193,094.96 : x - Step 2: Convert to fraction form
319,395.24/479,788.31 = 193,094.96/x - Step 3: Cross multiply
319,395.24x = 479,788.31 × 193,094.96 - Step 4: Simplify right side
319,395.24x = 92,644,704,761.91 - Step 5: Solve for x
x = 92,644,704,761.91/319,395.24 - Step 6: Final answer
x = 290,062.88
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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.