Finding the Fourth Proportional to 353,241.76, 487,486.49 and 202,367.92
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Solution
The fourth proportional to 353,241.76, 487,486.49 and 202,367.92 is: 279,275.10
Step by Step Solution
- Step 1: Write the proportion equation
353,241.76 : 487,486.49 = 202,367.92 : x - Step 2: Convert to fraction form
353,241.76/487,486.49 = 202,367.92/x - Step 3: Cross multiply
353,241.76x = 487,486.49 × 202,367.92 - Step 4: Simplify right side
353,241.76x = 98,651,627,009.40 - Step 5: Solve for x
x = 98,651,627,009.40/353,241.76 - Step 6: Final answer
x = 279,275.10
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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.