Finding the Fourth Proportional to 319,484.11, 479,046.34 and 106,137.80
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Solution
The fourth proportional to 319,484.11, 479,046.34 and 106,137.80 is: 159,146.96
Step by Step Solution
- Step 1: Write the proportion equation
319,484.11 : 479,046.34 = 106,137.80 : x - Step 2: Convert to fraction form
319,484.11/479,046.34 = 106,137.80/x - Step 3: Cross multiply
319,484.11x = 479,046.34 × 106,137.80 - Step 4: Simplify right side
319,484.11x = 50,844,924,094.96 - Step 5: Solve for x
x = 50,844,924,094.96/319,484.11 - Step 6: Final answer
x = 159,146.96
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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.