Finding the Fourth Proportional to 331,727.18, 497,296.08 and 129,276.44
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Solution
The fourth proportional to 331,727.18, 497,296.08 and 129,276.44 is: 193,799.82
Step by Step Solution
- Step 1: Write the proportion equation
331,727.18 : 497,296.08 = 129,276.44 : x - Step 2: Convert to fraction form
331,727.18/497,296.08 = 129,276.44/x - Step 3: Cross multiply
331,727.18x = 497,296.08 × 129,276.44 - Step 4: Simplify right side
331,727.18x = 64,288,666,848.36 - Step 5: Solve for x
x = 64,288,666,848.36/331,727.18 - Step 6: Final answer
x = 193,799.82
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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.