Finding the Fourth Proportional to 203,943.65, 305,921.51 and 97,338.84
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Solution
The fourth proportional to 203,943.65, 305,921.51 and 97,338.84 is: 146,011.14
Step by Step Solution
- Step 1: Write the proportion equation
203,943.65 : 305,921.51 = 97,338.84 : x - Step 2: Convert to fraction form
203,943.65/305,921.51 = 97,338.84/x - Step 3: Cross multiply
203,943.65x = 305,921.51 × 97,338.84 - Step 4: Simplify right side
203,943.65x = 29,778,044,427.75 - Step 5: Solve for x
x = 29,778,044,427.75/203,943.65 - Step 6: Final answer
x = 146,011.14
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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.