Finding the Fourth Proportional to 319,488.48, 479,232.72 and 97,843.68
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Solution
The fourth proportional to 319,488.48, 479,232.72 and 97,843.68 is: 146,765.52
Step by Step Solution
- Step 1: Write the proportion equation
319,488.48 : 479,232.72 = 97,843.68 : x - Step 2: Convert to fraction form
319,488.48/479,232.72 = 97,843.68/x - Step 3: Cross multiply
319,488.48x = 479,232.72 × 97,843.68 - Step 4: Simplify right side
319,488.48x = 46,889,892,901.21 - Step 5: Solve for x
x = 46,889,892,901.21/319,488.48 - Step 6: Final answer
x = 146,765.52
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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.