Finding the Fourth Proportional to 438,543.91, 605,190.63 and 237,339.91
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Solution
The fourth proportional to 438,543.91, 605,190.63 and 237,339.91 is: 327,529.09
Step by Step Solution
- Step 1: Write the proportion equation
438,543.91 : 605,190.63 = 237,339.91 : x - Step 2: Convert to fraction form
438,543.91/605,190.63 = 237,339.91/x - Step 3: Cross multiply
438,543.91x = 605,190.63 × 237,339.91 - Step 4: Simplify right side
438,543.91x = 143,635,889,657.04 - Step 5: Solve for x
x = 143,635,889,657.04/438,543.91 - Step 6: Final answer
x = 327,529.09
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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.