Finding the Fourth Proportional to 447,861.96, 618,021.42 and 246,657.96
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Solution
The fourth proportional to 447,861.96, 618,021.42 and 246,657.96 is: 340,372.52
Step by Step Solution
- Step 1: Write the proportion equation
447,861.96 : 618,021.42 = 246,657.96 : x - Step 2: Convert to fraction form
447,861.96/618,021.42 = 246,657.96/x - Step 3: Cross multiply
447,861.96x = 618,021.42 × 246,657.96 - Step 4: Simplify right side
447,861.96x = 152,439,902,693.50 - Step 5: Solve for x
x = 152,439,902,693.50/447,861.96 - Step 6: Final answer
x = 340,372.52
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1.5x scale
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.