Finding the Fourth Proportional to 288,289.68, 397,823.04 and 160,973.28
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Solution
The fourth proportional to 288,289.68, 397,823.04 and 160,973.28 is: 222,133.79
Step by Step Solution
- Step 1: Write the proportion equation
288,289.68 : 397,823.04 = 160,973.28 : x - Step 2: Convert to fraction form
288,289.68/397,823.04 = 160,973.28/x - Step 3: Cross multiply
288,289.68x = 397,823.04 × 160,973.28 - Step 4: Simplify right side
288,289.68x = 64,038,879,608.37 - Step 5: Solve for x
x = 64,038,879,608.37/288,289.68 - Step 6: Final answer
x = 222,133.79
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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.