Finding the Fourth Proportional to 203,940.56, 305,916.86 and 97,335.74
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Solution
The fourth proportional to 203,940.56, 305,916.86 and 97,335.74 is: 146,006.49
Step by Step Solution
- Step 1: Write the proportion equation
203,940.56 : 305,916.86 = 97,335.74 : x - Step 2: Convert to fraction form
203,940.56/305,916.86 = 97,335.74/x - Step 3: Cross multiply
203,940.56x = 305,916.86 × 97,335.74 - Step 4: Simplify right side
203,940.56x = 29,776,644,954.71 - Step 5: Solve for x
x = 29,776,644,954.71/203,940.56 - Step 6: Final answer
x = 146,006.49
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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.