Finding the Fourth Proportional to 194,771.78, 292,671.40 and 104,880.96
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Solution
The fourth proportional to 194,771.78, 292,671.40 and 104,880.96 is: 157,598.07
Step by Step Solution
- Step 1: Write the proportion equation
194,771.78 : 292,671.40 = 104,880.96 : x - Step 2: Convert to fraction form
194,771.78/292,671.40 = 104,880.96/x - Step 3: Cross multiply
194,771.78x = 292,671.40 × 104,880.96 - Step 4: Simplify right side
194,771.78x = 30,695,655,933.19 - Step 5: Solve for x
x = 30,695,655,933.19/194,771.78 - Step 6: Final answer
x = 157,598.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.