Finding the Fourth Proportional to 134,494.20, 201,682.96 and 45,723.88
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Solution
The fourth proportional to 134,494.20, 201,682.96 and 45,723.88 is: 68,565.99
Step by Step Solution
- Step 1: Write the proportion equation
134,494.20 : 201,682.96 = 45,723.88 : x - Step 2: Convert to fraction form
134,494.20/201,682.96 = 45,723.88/x - Step 3: Cross multiply
134,494.20x = 201,682.96 × 45,723.88 - Step 4: Simplify right side
134,494.20x = 9,221,727,461.08 - Step 5: Solve for x
x = 9,221,727,461.08/134,494.20 - Step 6: Final answer
x = 68,565.99
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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.