Finding the Fourth Proportional to 288,889.03, 398,668.23 and 161,564.63
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Solution
The fourth proportional to 288,889.03, 398,668.23 and 161,564.63 is: 222,959.95
Step by Step Solution
- Step 1: Write the proportion equation
288,889.03 : 398,668.23 = 161,564.63 : x - Step 2: Convert to fraction form
288,889.03/398,668.23 = 161,564.63/x - Step 3: Cross multiply
288,889.03x = 398,668.23 × 161,564.63 - Step 4: Simplify right side
288,889.03x = 64,410,683,079.36 - Step 5: Solve for x
x = 64,410,683,079.36/288,889.03 - Step 6: Final answer
x = 222,959.95
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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.