Finding the Fourth Proportional to 459,818.05, 634,189.42 and 298,725.00
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Solution
The fourth proportional to 459,818.05, 634,189.42 and 298,725.00 is: 412,006.95
Step by Step Solution
- Step 1: Write the proportion equation
459,818.05 : 634,189.42 = 298,725.00 : x - Step 2: Convert to fraction form
459,818.05/634,189.42 = 298,725.00/x - Step 3: Cross multiply
459,818.05x = 634,189.42 × 298,725.00 - Step 4: Simplify right side
459,818.05x = 189,448,231,318.55 - Step 5: Solve for x
x = 189,448,231,318.55/459,818.05 - Step 6: Final answer
x = 412,006.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.