Finding the Fourth Proportional to 745,168.76, 1,117,919.16 and 271,854.08
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Solution
The fourth proportional to 745,168.76, 1,117,919.16 and 271,854.08 is: 407,841.69
Step by Step Solution
- Step 1: Write the proportion equation
745,168.76 : 1,117,919.16 = 271,854.08 : x - Step 2: Convert to fraction form
745,168.76/1,117,919.16 = 271,854.08/x - Step 3: Cross multiply
745,168.76x = 1,117,919.16 × 271,854.08 - Step 4: Simplify right side
745,168.76x = 303,910,884,756.17 - Step 5: Solve for x
x = 303,910,884,756.17/745,168.76 - Step 6: Final answer
x = 407,841.69
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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.