Finding the Fourth Proportional to 134,421.81, 201,492.04 and 50,148.06
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Solution
The fourth proportional to 134,421.81, 201,492.04 and 50,148.06 is: 75,169.61
Step by Step Solution
- Step 1: Write the proportion equation
134,421.81 : 201,492.04 = 50,148.06 : x - Step 2: Convert to fraction form
134,421.81/201,492.04 = 50,148.06/x - Step 3: Cross multiply
134,421.81x = 201,492.04 × 50,148.06 - Step 4: Simplify right side
134,421.81x = 10,104,434,911.44 - Step 5: Solve for x
x = 10,104,434,911.44/134,421.81 - Step 6: Final answer
x = 75,169.61
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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.