Finding the Fourth Proportional to 277,239.33, 415,874.11 and 87,685.54
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Solution
The fourth proportional to 277,239.33, 415,874.11 and 87,685.54 is: 131,533.09
Step by Step Solution
- Step 1: Write the proportion equation
277,239.33 : 415,874.11 = 87,685.54 : x - Step 2: Convert to fraction form
277,239.33/415,874.11 = 87,685.54/x - Step 3: Cross multiply
277,239.33x = 415,874.11 × 87,685.54 - Step 4: Simplify right side
277,239.33x = 36,466,144,047.21 - Step 5: Solve for x
x = 36,466,144,047.21/277,239.33 - Step 6: Final answer
x = 131,533.09
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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.