Finding the Fourth Proportional to 213,420.62, 294,523.08 and 117,926.48
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Solution
The fourth proportional to 213,420.62, 294,523.08 and 117,926.48 is: 162,739.99
Step by Step Solution
- Step 1: Write the proportion equation
213,420.62 : 294,523.08 = 117,926.48 : x - Step 2: Convert to fraction form
213,420.62/294,523.08 = 117,926.48/x - Step 3: Cross multiply
213,420.62x = 294,523.08 × 117,926.48 - Step 4: Simplify right side
213,420.62x = 34,732,070,103.16 - Step 5: Solve for x
x = 34,732,070,103.16/213,420.62 - Step 6: Final answer
x = 162,739.99
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1.5x scale
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.