Finding the Fourth Proportional to 537,212.44, 741,316.62 and 310,891.96
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Solution
The fourth proportional to 537,212.44, 741,316.62 and 310,891.96 is: 429,009.75
Step by Step Solution
- Step 1: Write the proportion equation
537,212.44 : 741,316.62 = 310,891.96 : x - Step 2: Convert to fraction form
537,212.44/741,316.62 = 310,891.96/x - Step 3: Cross multiply
537,212.44x = 741,316.62 × 310,891.96 - Step 4: Simplify right side
537,212.44x = 230,469,376,972.38 - Step 5: Solve for x
x = 230,469,376,972.38/537,212.44 - Step 6: Final answer
x = 429,009.75
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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.