Finding the Fourth Proportional to 271,645.20, 407,506.62 and 84,671.28
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Solution
The fourth proportional to 271,645.20, 407,506.62 and 84,671.28 is: 127,019.02
Step by Step Solution
- Step 1: Write the proportion equation
271,645.20 : 407,506.62 = 84,671.28 : x - Step 2: Convert to fraction form
271,645.20/407,506.62 = 84,671.28/x - Step 3: Cross multiply
271,645.20x = 407,506.62 × 84,671.28 - Step 4: Simplify right side
271,645.20x = 34,504,107,123.87 - Step 5: Solve for x
x = 34,504,107,123.87/271,645.20 - Step 6: Final answer
x = 127,019.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.