Finding the Fourth Proportional to 288,582.97, 398,236.85 and 161,259.61
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Solution
The fourth proportional to 288,582.97, 398,236.85 and 161,259.61 is: 222,533.99
Step by Step Solution
- Step 1: Write the proportion equation
288,582.97 : 398,236.85 = 161,259.61 : x - Step 2: Convert to fraction form
288,582.97/398,236.85 = 161,259.61/x - Step 3: Cross multiply
288,582.97x = 398,236.85 × 161,259.61 - Step 4: Simplify right side
288,582.97x = 64,219,519,118.63 - Step 5: Solve for x
x = 64,219,519,118.63/288,582.97 - Step 6: Final answer
x = 222,533.99
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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.