Finding the Fourth Proportional to 277,140.75, 382,427.18 and 160,836.14
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Solution
The fourth proportional to 277,140.75, 382,427.18 and 160,836.14 is: 221,938.17
Step by Step Solution
- Step 1: Write the proportion equation
277,140.75 : 382,427.18 = 160,836.14 : x - Step 2: Convert to fraction form
277,140.75/382,427.18 = 160,836.14/x - Step 3: Cross multiply
277,140.75x = 382,427.18 × 160,836.14 - Step 4: Simplify right side
277,140.75x = 61,508,109,550.15 - Step 5: Solve for x
x = 61,508,109,550.15/277,140.75 - Step 6: Final answer
x = 221,938.17
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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.