Finding the Fourth Proportional to 211,333.19, 291,149.66 and 147,569.99
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Solution
The fourth proportional to 211,333.19, 291,149.66 and 147,569.99 is: 203,304.33
Step by Step Solution
- Step 1: Write the proportion equation
211,333.19 : 291,149.66 = 147,569.99 : x - Step 2: Convert to fraction form
211,333.19/291,149.66 = 147,569.99/x - Step 3: Cross multiply
211,333.19x = 291,149.66 × 147,569.99 - Step 4: Simplify right side
211,333.19x = 42,964,951,676.85 - Step 5: Solve for x
x = 42,964,951,676.85/211,333.19 - Step 6: Final answer
x = 203,304.33
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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.