Finding the Fourth Proportional to 234,963.99, 352,330.26 and 85,181.83
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Solution
The fourth proportional to 234,963.99, 352,330.26 and 85,181.83 is: 127,730.79
Step by Step Solution
- Step 1: Write the proportion equation
234,963.99 : 352,330.26 = 85,181.83 : x - Step 2: Convert to fraction form
234,963.99/352,330.26 = 85,181.83/x - Step 3: Cross multiply
234,963.99x = 352,330.26 × 85,181.83 - Step 4: Simplify right side
234,963.99x = 30,012,135,110.92 - Step 5: Solve for x
x = 30,012,135,110.92/234,963.99 - Step 6: Final answer
x = 127,730.79
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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.