Finding the Fourth Proportional to 296,235.28, 408,803.56 and 160,268.79
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Solution
The fourth proportional to 296,235.28, 408,803.56 and 160,268.79 is: 221,170.32
Step by Step Solution
- Step 1: Write the proportion equation
296,235.28 : 408,803.56 = 160,268.79 : x - Step 2: Convert to fraction form
296,235.28/408,803.56 = 160,268.79/x - Step 3: Cross multiply
296,235.28x = 408,803.56 × 160,268.79 - Step 4: Simplify right side
296,235.28x = 65,518,451,908.89 - Step 5: Solve for x
x = 65,518,451,908.89/296,235.28 - Step 6: Final answer
x = 221,170.32
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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.