Finding the Fourth Proportional to 331,077.84, 496,614.15 and 219,258.48
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Solution
The fourth proportional to 331,077.84, 496,614.15 and 219,258.48 is: 328,885.99
Step by Step Solution
- Step 1: Write the proportion equation
331,077.84 : 496,614.15 = 219,258.48 : x - Step 2: Convert to fraction form
331,077.84/496,614.15 = 219,258.48/x - Step 3: Cross multiply
331,077.84x = 496,614.15 × 219,258.48 - Step 4: Simplify right side
331,077.84x = 108,886,863,675.49 - Step 5: Solve for x
x = 108,886,863,675.49/331,077.84 - Step 6: Final answer
x = 328,885.99
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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.