Finding the Fourth Proportional to 141,799.12, 212,740.40 and 41,961.99
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Solution
The fourth proportional to 141,799.12, 212,740.40 and 41,961.99 is: 62,955.33
Step by Step Solution
- Step 1: Write the proportion equation
141,799.12 : 212,740.40 = 41,961.99 : x - Step 2: Convert to fraction form
141,799.12/212,740.40 = 41,961.99/x - Step 3: Cross multiply
141,799.12x = 212,740.40 × 41,961.99 - Step 4: Simplify right side
141,799.12x = 8,927,010,537.40 - Step 5: Solve for x
x = 8,927,010,537.40/141,799.12 - Step 6: Final answer
x = 62,955.33
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1.5x scale
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.