Finding the Fourth Proportional to 160,198.32, 240,333.93 and 85,278.99
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Solution
The fourth proportional to 160,198.32, 240,333.93 and 85,278.99 is: 127,937.89
Step by Step Solution
- Step 1: Write the proportion equation
160,198.32 : 240,333.93 = 85,278.99 : x - Step 2: Convert to fraction form
160,198.32/240,333.93 = 85,278.99/x - Step 3: Cross multiply
160,198.32x = 240,333.93 × 85,278.99 - Step 4: Simplify right side
160,198.32x = 20,495,434,386.74 - Step 5: Solve for x
x = 20,495,434,386.74/160,198.32 - Step 6: Final answer
x = 127,937.89
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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.