Finding the Fourth Proportional to 380,786.63, 525,543.45 and 243,024.99
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Solution
The fourth proportional to 380,786.63, 525,543.45 and 243,024.99 is: 335,411.44
Step by Step Solution
- Step 1: Write the proportion equation
380,786.63 : 525,543.45 = 243,024.99 : x - Step 2: Convert to fraction form
380,786.63/525,543.45 = 243,024.99/x - Step 3: Cross multiply
380,786.63x = 525,543.45 × 243,024.99 - Step 4: Simplify right side
380,786.63x = 127,720,193,232.96 - Step 5: Solve for x
x = 127,720,193,232.96/380,786.63 - Step 6: Final answer
x = 335,411.44
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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.