Finding the Fourth Proportional to 381,648.08, 572,687.18 and 351,533.09
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Solution
The fourth proportional to 381,648.08, 572,687.18 and 351,533.09 is: 527,497.73
Step by Step Solution
- Step 1: Write the proportion equation
381,648.08 : 572,687.18 = 351,533.09 : x - Step 2: Convert to fraction form
381,648.08/572,687.18 = 351,533.09/x - Step 3: Cross multiply
381,648.08x = 572,687.18 × 351,533.09 - Step 4: Simplify right side
381,648.08x = 201,318,493,988.79 - Step 5: Solve for x
x = 201,318,493,988.79/381,648.08 - Step 6: Final answer
x = 527,497.73
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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.