Finding the Fourth Proportional to 351,487.08, 485,049.74 and 190,338.44
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Solution
The fourth proportional to 351,487.08, 485,049.74 and 190,338.44 is: 262,665.73
Step by Step Solution
- Step 1: Write the proportion equation
351,487.08 : 485,049.74 = 190,338.44 : x - Step 2: Convert to fraction form
351,487.08/485,049.74 = 190,338.44/x - Step 3: Cross multiply
351,487.08x = 485,049.74 × 190,338.44 - Step 4: Simplify right side
351,487.08x = 92,323,610,834.01 - Step 5: Solve for x
x = 92,323,610,834.01/351,487.08 - Step 6: Final answer
x = 262,665.73
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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.