Finding the Fourth Proportional to 286,400.41, 395,125.29 and 177,455.00
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Solution
The fourth proportional to 286,400.41, 395,125.29 and 177,455.00 is: 244,821.44
Step by Step Solution
- Step 1: Write the proportion equation
286,400.41 : 395,125.29 = 177,455.00 : x - Step 2: Convert to fraction form
286,400.41/395,125.29 = 177,455.00/x - Step 3: Cross multiply
286,400.41x = 395,125.29 × 177,455.00 - Step 4: Simplify right side
286,400.41x = 70,116,959,324.76 - Step 5: Solve for x
x = 70,116,959,324.76/286,400.41 - Step 6: Final answer
x = 244,821.44
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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.