Finding the Fourth Proportional to 352,602.78, 486,591.84 and 201,699.78
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Solution
The fourth proportional to 352,602.78, 486,591.84 and 201,699.78 is: 278,345.70
Step by Step Solution
- Step 1: Write the proportion equation
352,602.78 : 486,591.84 = 201,699.78 : x - Step 2: Convert to fraction form
352,602.78/486,591.84 = 201,699.78/x - Step 3: Cross multiply
352,602.78x = 486,591.84 × 201,699.78 - Step 4: Simplify right side
352,602.78x = 98,145,467,077.80 - Step 5: Solve for x
x = 98,145,467,077.80/352,602.78 - Step 6: Final answer
x = 278,345.70
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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.