Finding the Fourth Proportional to 288,124.54, 397,639.50 and 160,811.98
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Solution
The fourth proportional to 288,124.54, 397,639.50 and 160,811.98 is: 221,935.96
Step by Step Solution
- Step 1: Write the proportion equation
288,124.54 : 397,639.50 = 160,811.98 : x - Step 2: Convert to fraction form
288,124.54/397,639.50 = 160,811.98/x - Step 3: Cross multiply
288,124.54x = 397,639.50 × 160,811.98 - Step 4: Simplify right side
288,124.54x = 63,945,195,321.21 - Step 5: Solve for x
x = 63,945,195,321.21/288,124.54 - Step 6: Final answer
x = 221,935.96
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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.