Finding the Fourth Proportional to 160,875.97, 222,035.36 and 89,279.08
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Solution
The fourth proportional to 160,875.97, 222,035.36 and 89,279.08 is: 123,219.85
Step by Step Solution
- Step 1: Write the proportion equation
160,875.97 : 222,035.36 = 89,279.08 : x - Step 2: Convert to fraction form
160,875.97/222,035.36 = 89,279.08/x - Step 3: Cross multiply
160,875.97x = 222,035.36 × 89,279.08 - Step 4: Simplify right side
160,875.97x = 19,823,112,668.27 - Step 5: Solve for x
x = 19,823,112,668.27/160,875.97 - Step 6: Final answer
x = 123,219.85
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1.5x scale
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.