Finding the Fourth Proportional to 134,604.99, 201,965.81 and 72,202.59
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Solution
The fourth proportional to 134,604.99, 201,965.81 and 72,202.59 is: 108,335.17
Step by Step Solution
- Step 1: Write the proportion equation
134,604.99 : 201,965.81 = 72,202.59 : x - Step 2: Convert to fraction form
134,604.99/201,965.81 = 72,202.59/x - Step 3: Cross multiply
134,604.99x = 201,965.81 × 72,202.59 - Step 4: Simplify right side
134,604.99x = 14,582,454,212.43 - Step 5: Solve for x
x = 14,582,454,212.43/134,604.99 - Step 6: Final answer
x = 108,335.17
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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.