Finding the Fourth Proportional to 381,093.06, 571,639.80 and 96,804.93
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Solution
The fourth proportional to 381,093.06, 571,639.80 and 96,804.93 is: 145,207.45
Step by Step Solution
- Step 1: Write the proportion equation
381,093.06 : 571,639.80 = 96,804.93 : x - Step 2: Convert to fraction form
381,093.06/571,639.80 = 96,804.93/x - Step 3: Cross multiply
381,093.06x = 571,639.80 × 96,804.93 - Step 4: Simplify right side
381,093.06x = 55,337,550,824.21 - Step 5: Solve for x
x = 55,337,550,824.21/381,093.06 - Step 6: Final answer
x = 145,207.45
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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.