Finding the Fourth Proportional to 354,513.22, 531,873.51 and 105,201.70
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Solution
The fourth proportional to 354,513.22, 531,873.51 and 105,201.70 is: 157,833.32
Step by Step Solution
- Step 1: Write the proportion equation
354,513.22 : 531,873.51 = 105,201.70 : x - Step 2: Convert to fraction form
354,513.22/531,873.51 = 105,201.70/x - Step 3: Cross multiply
354,513.22x = 531,873.51 × 105,201.70 - Step 4: Simplify right side
354,513.22x = 55,953,997,436.97 - Step 5: Solve for x
x = 55,953,997,436.97/354,513.22 - Step 6: Final answer
x = 157,833.32
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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.