Finding the Fourth Proportional to 331,062.50, 496,691.67 and 190,921.70
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Solution
The fourth proportional to 331,062.50, 496,691.67 and 190,921.70 is: 286,439.02
Step by Step Solution
- Step 1: Write the proportion equation
331,062.50 : 496,691.67 = 190,921.70 : x - Step 2: Convert to fraction form
331,062.50/496,691.67 = 190,921.70/x - Step 3: Cross multiply
331,062.50x = 496,691.67 × 190,921.70 - Step 4: Simplify right side
331,062.50x = 94,829,218,012.24 - Step 5: Solve for x
x = 94,829,218,012.24/331,062.50 - Step 6: Final answer
x = 286,439.02
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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.