Finding the Fourth Proportional to 275,741.69, 413,483.36 and 115,783.49
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Solution
The fourth proportional to 275,741.69, 413,483.36 and 115,783.49 is: 173,620.99
Step by Step Solution
- Step 1: Write the proportion equation
275,741.69 : 413,483.36 = 115,783.49 : x - Step 2: Convert to fraction form
275,741.69/413,483.36 = 115,783.49/x - Step 3: Cross multiply
275,741.69x = 413,483.36 × 115,783.49 - Step 4: Simplify right side
275,741.69x = 47,874,544,699.77 - Step 5: Solve for x
x = 47,874,544,699.77/275,741.69 - Step 6: Final answer
x = 173,620.99
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1.5x scale
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.