Finding the Fourth Proportional to 414,481.88, 571,985.00 and 235,633.88
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Solution
The fourth proportional to 414,481.88, 571,985.00 and 235,633.88 is: 325,174.75
Step by Step Solution
- Step 1: Write the proportion equation
414,481.88 : 571,985.00 = 235,633.88 : x - Step 2: Convert to fraction form
414,481.88/571,985.00 = 235,633.88/x - Step 3: Cross multiply
414,481.88x = 571,985.00 × 235,633.88 - Step 4: Simplify right side
414,481.88x = 134,779,040,813.71 - Step 5: Solve for x
x = 134,779,040,813.71/414,481.88 - Step 6: Final answer
x = 325,174.75
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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.