Finding the Fourth Proportional to 438,195.75, 604,710.15 and 236,991.75
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Solution
The fourth proportional to 438,195.75, 604,710.15 and 236,991.75 is: 327,048.62
Step by Step Solution
- Step 1: Write the proportion equation
438,195.75 : 604,710.15 = 236,991.75 : x - Step 2: Convert to fraction form
438,195.75/604,710.15 = 236,991.75/x - Step 3: Cross multiply
438,195.75x = 604,710.15 × 236,991.75 - Step 4: Simplify right side
438,195.75x = 143,311,316,691.26 - Step 5: Solve for x
x = 143,311,316,691.26/438,195.75 - Step 6: Final answer
x = 327,048.62
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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.