Finding the Fourth Proportional to 352,679.10, 486,752.13 and 199,725.18
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Solution
The fourth proportional to 352,679.10, 486,752.13 and 199,725.18 is: 275,651.88
Step by Step Solution
- Step 1: Write the proportion equation
352,679.10 : 486,752.13 = 199,725.18 : x - Step 2: Convert to fraction form
352,679.10/486,752.13 = 199,725.18/x - Step 3: Cross multiply
352,679.10x = 486,752.13 × 199,725.18 - Step 4: Simplify right side
352,679.10x = 97,216,656,779.63 - Step 5: Solve for x
x = 97,216,656,779.63/352,679.10 - Step 6: Final answer
x = 275,651.88
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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.