Finding the Fourth Proportional to 235,035.48, 352,508.10 and 66,515.10
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Solution
The fourth proportional to 235,035.48, 352,508.10 and 66,515.10 is: 99,759.88
Step by Step Solution
- Step 1: Write the proportion equation
235,035.48 : 352,508.10 = 66,515.10 : x - Step 2: Convert to fraction form
235,035.48/352,508.10 = 66,515.10/x - Step 3: Cross multiply
235,035.48x = 352,508.10 × 66,515.10 - Step 4: Simplify right side
235,035.48x = 23,447,111,522.31 - Step 5: Solve for x
x = 23,447,111,522.31/235,035.48 - Step 6: Final answer
x = 99,759.88
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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.