Finding the Fourth Proportional to 172,114.10, 257,797.28 and 83,181.09
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Solution
The fourth proportional to 172,114.10, 257,797.28 and 83,181.09 is: 124,590.95
Step by Step Solution
- Step 1: Write the proportion equation
172,114.10 : 257,797.28 = 83,181.09 : x - Step 2: Convert to fraction form
172,114.10/257,797.28 = 83,181.09/x - Step 3: Cross multiply
172,114.10x = 257,797.28 × 83,181.09 - Step 4: Simplify right side
172,114.10x = 21,443,859,924.13 - Step 5: Solve for x
x = 21,443,859,924.13/172,114.10 - Step 6: Final answer
x = 124,590.95
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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.