Finding the Fourth Proportional to 352,063.98, 485,848.55 and 190,918.99
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Solution
The fourth proportional to 352,063.98, 485,848.55 and 190,918.99 is: 263,468.34
Step by Step Solution
- Step 1: Write the proportion equation
352,063.98 : 485,848.55 = 190,918.99 : x - Step 2: Convert to fraction form
352,063.98/485,848.55 = 190,918.99/x - Step 3: Cross multiply
352,063.98x = 485,848.55 × 190,918.99 - Step 4: Simplify right side
352,063.98x = 92,757,711,075.13 - Step 5: Solve for x
x = 92,757,711,075.13/352,063.98 - Step 6: Final answer
x = 263,468.34
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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.