Finding the Fourth Proportional to 451,657.76, 677,749.01 and 202,339.76
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Solution
The fourth proportional to 451,657.76, 677,749.01 and 202,339.76 is: 303,627.17
Step by Step Solution
- Step 1: Write the proportion equation
451,657.76 : 677,749.01 = 202,339.76 : x - Step 2: Convert to fraction form
451,657.76/677,749.01 = 202,339.76/x - Step 3: Cross multiply
451,657.76x = 677,749.01 × 202,339.76 - Step 4: Simplify right side
451,657.76x = 137,135,567,623.19 - Step 5: Solve for x
x = 137,135,567,623.19/451,657.76 - Step 6: Final answer
x = 303,627.17
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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.