Finding the Fourth Proportional to 134,642.84, 201,902.18 and 39,839.12
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Solution
The fourth proportional to 134,642.84, 201,902.18 and 39,839.12 is: 59,740.31
Step by Step Solution
- Step 1: Write the proportion equation
134,642.84 : 201,902.18 = 39,839.12 : x - Step 2: Convert to fraction form
134,642.84/201,902.18 = 39,839.12/x - Step 3: Cross multiply
134,642.84x = 201,902.18 × 39,839.12 - Step 4: Simplify right side
134,642.84x = 8,043,604,978.09 - Step 5: Solve for x
x = 8,043,604,978.09/134,642.84 - Step 6: Final answer
x = 59,740.31
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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.