Finding the Fourth Proportional to 352,063.74, 485,848.07 and 190,918.74
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Solution
The fourth proportional to 352,063.74, 485,848.07 and 190,918.74 is: 263,467.92
Step by Step Solution
- Step 1: Write the proportion equation
352,063.74 : 485,848.07 = 190,918.74 : x - Step 2: Convert to fraction form
352,063.74/485,848.07 = 190,918.74/x - Step 3: Cross multiply
352,063.74x = 485,848.07 × 190,918.74 - Step 4: Simplify right side
352,063.74x = 92,757,499,295.25 - Step 5: Solve for x
x = 92,757,499,295.25/352,063.74 - Step 6: Final answer
x = 263,467.92
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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.