Finding the Fourth Proportional to 271,828.63, 375,101.55 and 157,114.70
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Solution
The fourth proportional to 271,828.63, 375,101.55 and 157,114.70 is: 216,805.59
Step by Step Solution
- Step 1: Write the proportion equation
271,828.63 : 375,101.55 = 157,114.70 : x - Step 2: Convert to fraction form
271,828.63/375,101.55 = 157,114.70/x - Step 3: Cross multiply
271,828.63x = 375,101.55 × 157,114.70 - Step 4: Simplify right side
271,828.63x = 58,933,965,622.28 - Step 5: Solve for x
x = 58,933,965,622.28/271,828.63 - Step 6: Final answer
x = 216,805.59
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1.5x scale
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.