Finding the Fourth Proportional to 751,120.29, 1,126,865.12 and 218,645.93
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Solution
The fourth proportional to 751,120.29, 1,126,865.12 and 218,645.93 is: 328,022.66
Step by Step Solution
- Step 1: Write the proportion equation
751,120.29 : 1,126,865.12 = 218,645.93 : x - Step 2: Convert to fraction form
751,120.29/1,126,865.12 = 218,645.93/x - Step 3: Cross multiply
751,120.29x = 1,126,865.12 × 218,645.93 - Step 4: Simplify right side
751,120.29x = 246,384,473,870.90 - Step 5: Solve for x
x = 246,384,473,870.90/751,120.29 - Step 6: Final answer
x = 328,022.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.