Finding the Fourth Proportional to 407,972.19, 562,820.49 and 271,873.56
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Solution
The fourth proportional to 407,972.19, 562,820.49 and 271,873.56 is: 375,064.81
Step by Step Solution
- Step 1: Write the proportion equation
407,972.19 : 562,820.49 = 271,873.56 : x - Step 2: Convert to fraction form
407,972.19/562,820.49 = 271,873.56/x - Step 3: Cross multiply
407,972.19x = 562,820.49 × 271,873.56 - Step 4: Simplify right side
407,972.19x = 153,016,010,257.24 - Step 5: Solve for x
x = 153,016,010,257.24/407,972.19 - Step 6: Final answer
x = 375,064.81
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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.