Finding the Fourth Proportional to 288,178.14, 397,684.85 and 160,852.62
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Solution
The fourth proportional to 288,178.14, 397,684.85 and 160,852.62 is: 221,976.06
Step by Step Solution
- Step 1: Write the proportion equation
288,178.14 : 397,684.85 = 160,852.62 : x - Step 2: Convert to fraction form
288,178.14/397,684.85 = 160,852.62/x - Step 3: Cross multiply
288,178.14x = 397,684.85 × 160,852.62 - Step 4: Simplify right side
288,178.14x = 63,968,649,252.54 - Step 5: Solve for x
x = 63,968,649,252.54/288,178.14 - Step 6: Final answer
x = 221,976.06
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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.