Finding the Fourth Proportional to 296,321.76, 408,922.47 and 160,355.63
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Solution
The fourth proportional to 296,321.76, 408,922.47 and 160,355.63 is: 221,289.92
Step by Step Solution
- Step 1: Write the proportion equation
296,321.76 : 408,922.47 = 160,355.63 : x - Step 2: Convert to fraction form
296,321.76/408,922.47 = 160,355.63/x - Step 3: Cross multiply
296,321.76x = 408,922.47 × 160,355.63 - Step 4: Simplify right side
296,321.76x = 65,573,020,718.98 - Step 5: Solve for x
x = 65,573,020,718.98/296,321.76 - Step 6: Final answer
x = 221,289.92
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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.