Finding the Fourth Proportional to 252,446.68, 348,371.58 and 137,720.44
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Solution
The fourth proportional to 252,446.68, 348,371.58 and 137,720.44 is: 190,051.57
Step by Step Solution
- Step 1: Write the proportion equation
252,446.68 : 348,371.58 = 137,720.44 : x - Step 2: Convert to fraction form
252,446.68/348,371.58 = 137,720.44/x - Step 3: Cross multiply
252,446.68x = 348,371.58 × 137,720.44 - Step 4: Simplify right side
252,446.68x = 47,977,887,281.10 - Step 5: Solve for x
x = 47,977,887,281.10/252,446.68 - Step 6: Final answer
x = 190,051.57
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.