Finding the Fourth Proportional to 297,718.13, 410,848.76 and 161,753.19
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Solution
The fourth proportional to 297,718.13, 410,848.76 and 161,753.19 is: 223,218.18
Step by Step Solution
- Step 1: Write the proportion equation
297,718.13 : 410,848.76 = 161,753.19 : x - Step 2: Convert to fraction form
297,718.13/410,848.76 = 161,753.19/x - Step 3: Cross multiply
297,718.13x = 410,848.76 × 161,753.19 - Step 4: Simplify right side
297,718.13x = 66,456,096,728.78 - Step 5: Solve for x
x = 66,456,096,728.78/297,718.13 - Step 6: Final answer
x = 223,218.18
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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.