Finding the Fourth Proportional to 134,449.20, 201,673.80 and 134,449.20
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Solution
The fourth proportional to 134,449.20, 201,673.80 and 134,449.20 is: 201,673.80
Step by Step Solution
- Step 1: Write the proportion equation
134,449.20 : 201,673.80 = 134,449.20 : x - Step 2: Convert to fraction form
134,449.20/201,673.80 = 134,449.20/x - Step 3: Cross multiply
134,449.20x = 201,673.80 × 134,449.20 - Step 4: Simplify right side
134,449.20x = 27,114,881,070.96 - Step 5: Solve for x
x = 27,114,881,070.96/134,449.20 - Step 6: Final answer
x = 201,673.80
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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.