Finding the Fourth Proportional to 277,048.14, 415,646.27 and 99,556.70
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Solution
The fourth proportional to 277,048.14, 415,646.27 and 99,556.70 is: 149,361.65
Step by Step Solution
- Step 1: Write the proportion equation
277,048.14 : 415,646.27 = 99,556.70 : x - Step 2: Convert to fraction form
277,048.14/415,646.27 = 99,556.70/x - Step 3: Cross multiply
277,048.14x = 415,646.27 × 99,556.70 - Step 4: Simplify right side
277,048.14x = 41,380,368,432.49 - Step 5: Solve for x
x = 41,380,368,432.49/277,048.14 - Step 6: Final answer
x = 149,361.65
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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.