Finding the Fourth Proportional to 438,224.28, 604,749.51 and 237,020.28
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Solution
The fourth proportional to 438,224.28, 604,749.51 and 237,020.28 is: 327,087.99
Step by Step Solution
- Step 1: Write the proportion equation
438,224.28 : 604,749.51 = 237,020.28 : x - Step 2: Convert to fraction form
438,224.28/604,749.51 = 237,020.28/x - Step 3: Cross multiply
438,224.28x = 604,749.51 × 237,020.28 - Step 4: Simplify right side
438,224.28x = 143,337,898,190.06 - Step 5: Solve for x
x = 143,337,898,190.06/438,224.28 - Step 6: Final answer
x = 327,087.99
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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.