Finding the Fourth Proportional to 211,890.98, 291,770.16 and 183,159.74
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Solution
The fourth proportional to 211,890.98, 291,770.16 and 183,159.74 is: 252,207.75
Step by Step Solution
- Step 1: Write the proportion equation
211,890.98 : 291,770.16 = 183,159.74 : x - Step 2: Convert to fraction form
211,890.98/291,770.16 = 183,159.74/x - Step 3: Cross multiply
211,890.98x = 291,770.16 × 183,159.74 - Step 4: Simplify right side
211,890.98x = 53,440,546,645.36 - Step 5: Solve for x
x = 53,440,546,645.36/211,890.98 - Step 6: Final answer
x = 252,207.75
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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.