Finding the Fourth Proportional to 372,649.80, 514,241.28 and 202,883.52
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Solution
The fourth proportional to 372,649.80, 514,241.28 and 202,883.52 is: 279,970.85
Step by Step Solution
- Step 1: Write the proportion equation
372,649.80 : 514,241.28 = 202,883.52 : x - Step 2: Convert to fraction form
372,649.80/514,241.28 = 202,883.52/x - Step 3: Cross multiply
372,649.80x = 514,241.28 × 202,883.52 - Step 4: Simplify right side
372,649.80x = 104,331,081,015.71 - Step 5: Solve for x
x = 104,331,081,015.71/372,649.80 - Step 6: Final answer
x = 279,970.85
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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.