Finding the Fourth Proportional to 288,117.44, 397,622.16 and 160,795.12
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Solution
The fourth proportional to 288,117.44, 397,622.16 and 160,795.12 is: 221,908.48
Step by Step Solution
- Step 1: Write the proportion equation
288,117.44 : 397,622.16 = 160,795.12 : x - Step 2: Convert to fraction form
288,117.44/397,622.16 = 160,795.12/x - Step 3: Cross multiply
288,117.44x = 397,622.16 × 160,795.12 - Step 4: Simplify right side
288,117.44x = 63,935,702,931.86 - Step 5: Solve for x
x = 63,935,702,931.86/288,117.44 - Step 6: Final answer
x = 221,908.48
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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.