Finding the Fourth Proportional to 171,159.05, 256,799.41 and 76,380.62
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Solution
The fourth proportional to 171,159.05, 256,799.41 and 76,380.62 is: 114,598.07
Step by Step Solution
- Step 1: Write the proportion equation
171,159.05 : 256,799.41 = 76,380.62 : x - Step 2: Convert to fraction form
171,159.05/256,799.41 = 76,380.62/x - Step 3: Cross multiply
171,159.05x = 256,799.41 × 76,380.62 - Step 4: Simplify right side
171,159.05x = 19,614,496,676.49 - Step 5: Solve for x
x = 19,614,496,676.49/171,159.05 - Step 6: Final answer
x = 114,598.07
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1.5x scale
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.