Finding the Fourth Proportional to 292,321.44, 403,129.81 and 194,030.84
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Solution
The fourth proportional to 292,321.44, 403,129.81 and 194,030.84 is: 267,580.84
Step by Step Solution
- Step 1: Write the proportion equation
292,321.44 : 403,129.81 = 194,030.84 : x - Step 2: Convert to fraction form
292,321.44/403,129.81 = 194,030.84/x - Step 3: Cross multiply
292,321.44x = 403,129.81 × 194,030.84 - Step 4: Simplify right side
292,321.44x = 78,219,616,913.70 - Step 5: Solve for x
x = 78,219,616,913.70/292,321.44 - Step 6: Final answer
x = 267,580.84
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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.