Finding the Fourth Proportional to 288,570.36, 398,226.27 and 161,246.07
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Solution
The fourth proportional to 288,570.36, 398,226.27 and 161,246.07 is: 222,519.11
Step by Step Solution
- Step 1: Write the proportion equation
288,570.36 : 398,226.27 = 161,246.07 : x - Step 2: Convert to fraction form
288,570.36/398,226.27 = 161,246.07/x - Step 3: Cross multiply
288,570.36x = 398,226.27 × 161,246.07 - Step 4: Simplify right side
288,570.36x = 64,212,421,008.26 - Step 5: Solve for x
x = 64,212,421,008.26/288,570.36 - Step 6: Final answer
x = 222,519.11
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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.