Finding the Fourth Proportional to 372,649.68, 514,265.81 and 202,893.12
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Solution
The fourth proportional to 372,649.68, 514,265.81 and 202,893.12 is: 279,997.54
Step by Step Solution
- Step 1: Write the proportion equation
372,649.68 : 514,265.81 = 202,893.12 : x - Step 2: Convert to fraction form
372,649.68/514,265.81 = 202,893.12/x - Step 3: Cross multiply
372,649.68x = 514,265.81 × 202,893.12 - Step 4: Simplify right side
372,649.68x = 104,340,993,685.76 - Step 5: Solve for x
x = 104,340,993,685.76/372,649.68 - Step 6: Final answer
x = 279,997.54
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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.