Finding the Fourth Proportional to 275,904.97, 413,853.36 and 76,220.95
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Solution
The fourth proportional to 275,904.97, 413,853.36 and 76,220.95 is: 114,330.29
Step by Step Solution
- Step 1: Write the proportion equation
275,904.97 : 413,853.36 = 76,220.95 : x - Step 2: Convert to fraction form
275,904.97/413,853.36 = 76,220.95/x - Step 3: Cross multiply
275,904.97x = 413,853.36 × 76,220.95 - Step 4: Simplify right side
275,904.97x = 31,544,296,259.89 - Step 5: Solve for x
x = 31,544,296,259.89/275,904.97 - Step 6: Final answer
x = 114,330.29
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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.