Finding the Fourth Proportional to 134,454.69, 201,635.04 and 39,659.71
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Solution
The fourth proportional to 134,454.69, 201,635.04 and 39,659.71 is: 59,475.70
Step by Step Solution
- Step 1: Write the proportion equation
134,454.69 : 201,635.04 = 39,659.71 : x - Step 2: Convert to fraction form
134,454.69/201,635.04 = 39,659.71/x - Step 3: Cross multiply
134,454.69x = 201,635.04 × 39,659.71 - Step 4: Simplify right side
134,454.69x = 7,996,786,481.96 - Step 5: Solve for x
x = 7,996,786,481.96/134,454.69 - Step 6: Final answer
x = 59,475.70
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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.