Finding the Fourth Proportional to 438,051.75, 604,511.42 and 236,847.75
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Solution
The fourth proportional to 438,051.75, 604,511.42 and 236,847.75 is: 326,849.90
Step by Step Solution
- Step 1: Write the proportion equation
438,051.75 : 604,511.42 = 236,847.75 : x - Step 2: Convert to fraction form
438,051.75/604,511.42 = 236,847.75/x - Step 3: Cross multiply
438,051.75x = 604,511.42 × 236,847.75 - Step 4: Simplify right side
438,051.75x = 143,177,169,676.31 - Step 5: Solve for x
x = 143,177,169,676.31/438,051.75 - Step 6: Final answer
x = 326,849.90
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1.5x scale
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.