Finding the Fourth Proportional to 485,543.97, 670,053.60 and 270,697.68
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Solution
The fourth proportional to 485,543.97, 670,053.60 and 270,697.68 is: 373,564.43
Step by Step Solution
- Step 1: Write the proportion equation
485,543.97 : 670,053.60 = 270,697.68 : x - Step 2: Convert to fraction form
485,543.97/670,053.60 = 270,697.68/x - Step 3: Cross multiply
485,543.97x = 670,053.60 × 270,697.68 - Step 4: Simplify right side
485,543.97x = 181,381,954,995.65 - Step 5: Solve for x
x = 181,381,954,995.65/485,543.97 - Step 6: Final answer
x = 373,564.43
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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.