Finding the Fourth Proportional to 277,744.09, 383,286.49 and 150,420.19
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Solution
The fourth proportional to 277,744.09, 383,286.49 and 150,420.19 is: 207,579.67
Step by Step Solution
- Step 1: Write the proportion equation
277,744.09 : 383,286.49 = 150,420.19 : x - Step 2: Convert to fraction form
277,744.09/383,286.49 = 150,420.19/x - Step 3: Cross multiply
277,744.09x = 383,286.49 × 150,420.19 - Step 4: Simplify right side
277,744.09x = 57,654,026,650.23 - Step 5: Solve for x
x = 57,654,026,650.23/277,744.09 - Step 6: Final answer
x = 207,579.67
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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.