Finding the Fourth Proportional to 159,630.49, 220,291.58 and 88,013.08
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Solution
The fourth proportional to 159,630.49, 220,291.58 and 88,013.08 is: 121,458.88
Step by Step Solution
- Step 1: Write the proportion equation
159,630.49 : 220,291.58 = 88,013.08 : x - Step 2: Convert to fraction form
159,630.49/220,291.58 = 88,013.08/x - Step 3: Cross multiply
159,630.49x = 220,291.58 × 88,013.08 - Step 4: Simplify right side
159,630.49x = 19,388,540,453.87 - Step 5: Solve for x
x = 19,388,540,453.87/159,630.49 - Step 6: Final answer
x = 121,458.88
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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.