Finding the Fourth Proportional to 134,390.80, 201,499.80 and 55,536.40
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Solution
The fourth proportional to 134,390.80, 201,499.80 and 55,536.40 is: 83,268.90
Step by Step Solution
- Step 1: Write the proportion equation
134,390.80 : 201,499.80 = 55,536.40 : x - Step 2: Convert to fraction form
134,390.80/201,499.80 = 55,536.40/x - Step 3: Cross multiply
134,390.80x = 201,499.80 × 55,536.40 - Step 4: Simplify right side
134,390.80x = 11,190,573,492.72 - Step 5: Solve for x
x = 11,190,573,492.72/134,390.80 - Step 6: Final answer
x = 83,268.90
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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.