Finding the Fourth Proportional to 134,299.84, 201,358.88 and 75,176.32
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Solution
The fourth proportional to 134,299.84, 201,358.88 and 75,176.32 is: 112,713.61
Step by Step Solution
- Step 1: Write the proportion equation
134,299.84 : 201,358.88 = 75,176.32 : x - Step 2: Convert to fraction form
134,299.84/201,358.88 = 75,176.32/x - Step 3: Cross multiply
134,299.84x = 201,358.88 × 75,176.32 - Step 4: Simplify right side
134,299.84x = 15,137,419,597.72 - Step 5: Solve for x
x = 15,137,419,597.72/134,299.84 - Step 6: Final answer
x = 112,713.61
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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.