Finding the Fourth Proportional to 134,219.13, 201,329.90 and 40,724.88
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Solution
The fourth proportional to 134,219.13, 201,329.90 and 40,724.88 is: 61,087.69
Step by Step Solution
- Step 1: Write the proportion equation
134,219.13 : 201,329.90 = 40,724.88 : x - Step 2: Convert to fraction form
134,219.13/201,329.90 = 40,724.88/x - Step 3: Cross multiply
134,219.13x = 201,329.90 × 40,724.88 - Step 4: Simplify right side
134,219.13x = 8,199,136,017.91 - Step 5: Solve for x
x = 8,199,136,017.91/134,219.13 - Step 6: Final answer
x = 61,087.69
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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.