Finding the Fourth Proportional to 207,065.94, 285,731.28 and 121,045.08
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Solution
The fourth proportional to 207,065.94, 285,731.28 and 121,045.08 is: 167,030.68
Step by Step Solution
- Step 1: Write the proportion equation
207,065.94 : 285,731.28 = 121,045.08 : x - Step 2: Convert to fraction form
207,065.94/285,731.28 = 121,045.08/x - Step 3: Cross multiply
207,065.94x = 285,731.28 × 121,045.08 - Step 4: Simplify right side
207,065.94x = 34,586,365,646.10 - Step 5: Solve for x
x = 34,586,365,646.10/207,065.94 - Step 6: Final answer
x = 167,030.68
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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.