Finding the Fourth Proportional to 213,129.08, 294,116.64 and 117,635.76
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Solution
The fourth proportional to 213,129.08, 294,116.64 and 117,635.76 is: 162,336.53
Step by Step Solution
- Step 1: Write the proportion equation
213,129.08 : 294,116.64 = 117,635.76 : x - Step 2: Convert to fraction form
213,129.08/294,116.64 = 117,635.76/x - Step 3: Cross multiply
213,129.08x = 294,116.64 × 117,635.76 - Step 4: Simplify right side
213,129.08x = 34,598,634,475.05 - Step 5: Solve for x
x = 34,598,634,475.05/213,129.08 - Step 6: Final answer
x = 162,336.53
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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.