Finding the Fourth Proportional to 346,207.78, 477,764.97 and 193,237.15
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Solution
The fourth proportional to 346,207.78, 477,764.97 and 193,237.15 is: 266,666.28
Step by Step Solution
- Step 1: Write the proportion equation
346,207.78 : 477,764.97 = 193,237.15 : x - Step 2: Convert to fraction form
346,207.78/477,764.97 = 193,237.15/x - Step 3: Cross multiply
346,207.78x = 477,764.97 × 193,237.15 - Step 4: Simplify right side
346,207.78x = 92,321,941,172.64 - Step 5: Solve for x
x = 92,321,941,172.64/346,207.78 - Step 6: Final answer
x = 266,666.28
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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.