Finding the Fourth Proportional to 288,582.98, 398,236.84 and 161,259.62
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Solution
The fourth proportional to 288,582.98, 398,236.84 and 161,259.62 is: 222,533.99
Step by Step Solution
- Step 1: Write the proportion equation
288,582.98 : 398,236.84 = 161,259.62 : x - Step 2: Convert to fraction form
288,582.98/398,236.84 = 161,259.62/x - Step 3: Cross multiply
288,582.98x = 398,236.84 × 161,259.62 - Step 4: Simplify right side
288,582.98x = 64,219,521,488.40 - Step 5: Solve for x
x = 64,219,521,488.40/288,582.98 - 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.