Finding the Fourth Proportional to 751,122.29, 1,126,868.12 and 218,647.93
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Solution
The fourth proportional to 751,122.29, 1,126,868.12 and 218,647.93 is: 328,025.66
Step by Step Solution
- Step 1: Write the proportion equation
751,122.29 : 1,126,868.12 = 218,647.93 : x - Step 2: Convert to fraction form
751,122.29/1,126,868.12 = 218,647.93/x - Step 3: Cross multiply
751,122.29x = 1,126,868.12 × 218,647.93 - Step 4: Simplify right side
751,122.29x = 246,387,381,820.99 - Step 5: Solve for x
x = 246,387,381,820.99/751,122.29 - Step 6: Final answer
x = 328,025.66
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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.