Finding the Fourth Proportional to 438,814.17, 658,221.24 and 154,437.75
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Solution
The fourth proportional to 438,814.17, 658,221.24 and 154,437.75 is: 231,656.62
Step by Step Solution
- Step 1: Write the proportion equation
438,814.17 : 658,221.24 = 154,437.75 : x - Step 2: Convert to fraction form
438,814.17/658,221.24 = 154,437.75/x - Step 3: Cross multiply
438,814.17x = 658,221.24 × 154,437.75 - Step 4: Simplify right side
438,814.17x = 101,654,207,307.81 - Step 5: Solve for x
x = 101,654,207,307.81/438,814.17 - Step 6: Final answer
x = 231,656.62
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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.