Finding the Fourth Proportional to 368,021.80, 551,741.10 and 201,809.80
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Solution
The fourth proportional to 368,021.80, 551,741.10 and 201,809.80 is: 302,554.80
Step by Step Solution
- Step 1: Write the proportion equation
368,021.80 : 551,741.10 = 201,809.80 : x - Step 2: Convert to fraction form
368,021.80/551,741.10 = 201,809.80/x - Step 3: Cross multiply
368,021.80x = 551,741.10 × 201,809.80 - Step 4: Simplify right side
368,021.80x = 111,346,761,042.78 - Step 5: Solve for x
x = 111,346,761,042.78/368,021.80 - Step 6: Final answer
x = 302,554.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.