Finding the Fourth Proportional to 325,927.71, 488,891.97 and 89,272.44
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Solution
The fourth proportional to 325,927.71, 488,891.97 and 89,272.44 is: 133,908.77
Step by Step Solution
- Step 1: Write the proportion equation
325,927.71 : 488,891.97 = 89,272.44 : x - Step 2: Convert to fraction form
325,927.71/488,891.97 = 89,272.44/x - Step 3: Cross multiply
325,927.71x = 488,891.97 × 89,272.44 - Step 4: Simplify right side
325,927.71x = 43,644,579,058.31 - Step 5: Solve for x
x = 43,644,579,058.31/325,927.71 - Step 6: Final answer
x = 133,908.77
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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.