Finding the Fourth Proportional to 159,583.06, 220,214.61 and 87,959.14
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Solution
The fourth proportional to 159,583.06, 220,214.61 and 87,959.14 is: 121,378.09
Step by Step Solution
- Step 1: Write the proportion equation
159,583.06 : 220,214.61 = 87,959.14 : x - Step 2: Convert to fraction form
159,583.06/220,214.61 = 87,959.14/x - Step 3: Cross multiply
159,583.06x = 220,214.61 × 87,959.14 - Step 4: Simplify right side
159,583.06x = 19,369,887,711.04 - Step 5: Solve for x
x = 19,369,887,711.04/159,583.06 - Step 6: Final answer
x = 121,378.09
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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.