Finding the Fourth Proportional to 326,203.34, 450,161.42 and 190,330.70
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Solution
The fourth proportional to 326,203.34, 450,161.42 and 190,330.70 is: 262,656.83
Step by Step Solution
- Step 1: Write the proportion equation
326,203.34 : 450,161.42 = 190,330.70 : x - Step 2: Convert to fraction form
326,203.34/450,161.42 = 190,330.70/x - Step 3: Cross multiply
326,203.34x = 450,161.42 × 190,330.70 - Step 4: Simplify right side
326,203.34x = 85,679,534,979.13 - Step 5: Solve for x
x = 85,679,534,979.13/326,203.34 - Step 6: Final answer
x = 262,656.83
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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.