Finding the Fourth Proportional to 611,157.36, 843,380.96 and 339,224.48
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Solution
The fourth proportional to 611,157.36, 843,380.96 and 339,224.48 is: 468,120.79
Step by Step Solution
- Step 1: Write the proportion equation
611,157.36 : 843,380.96 = 339,224.48 : x - Step 2: Convert to fraction form
611,157.36/843,380.96 = 339,224.48/x - Step 3: Cross multiply
611,157.36x = 843,380.96 × 339,224.48 - Step 4: Simplify right side
611,157.36x = 286,095,467,597.90 - Step 5: Solve for x
x = 286,095,467,597.90/611,157.36 - Step 6: Final answer
x = 468,120.79
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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.