Finding the Fourth Proportional to 134,137.80, 201,206.70 and 40,643.55
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Solution
The fourth proportional to 134,137.80, 201,206.70 and 40,643.55 is: 60,965.33
Step by Step Solution
- Step 1: Write the proportion equation
134,137.80 : 201,206.70 = 40,643.55 : x - Step 2: Convert to fraction form
134,137.80/201,206.70 = 40,643.55/x - Step 3: Cross multiply
134,137.80x = 201,206.70 × 40,643.55 - Step 4: Simplify right side
134,137.80x = 8,177,754,571.79 - Step 5: Solve for x
x = 8,177,754,571.79/134,137.80 - Step 6: Final answer
x = 60,965.33
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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.