Finding the Fourth Proportional to 224,207.07, 309,230.79 and 143,642.09
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Solution
The fourth proportional to 224,207.07, 309,230.79 and 143,642.09 is: 198,113.99
Step by Step Solution
- Step 1: Write the proportion equation
224,207.07 : 309,230.79 = 143,642.09 : x - Step 2: Convert to fraction form
224,207.07/309,230.79 = 143,642.09/x - Step 3: Cross multiply
224,207.07x = 309,230.79 × 143,642.09 - Step 4: Simplify right side
224,207.07x = 44,418,556,967.95 - Step 5: Solve for x
x = 44,418,556,967.95/224,207.07 - Step 6: Final answer
x = 198,113.99
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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.