Finding the Fourth Proportional to 386,177.63, 579,237.62 and 196,519.50
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Solution
The fourth proportional to 386,177.63, 579,237.62 and 196,519.50 is: 294,764.58
Step by Step Solution
- Step 1: Write the proportion equation
386,177.63 : 579,237.62 = 196,519.50 : x - Step 2: Convert to fraction form
386,177.63/579,237.62 = 196,519.50/x - Step 3: Cross multiply
386,177.63x = 579,237.62 × 196,519.50 - Step 4: Simplify right side
386,177.63x = 113,831,486,480.99 - Step 5: Solve for x
x = 113,831,486,480.99/386,177.63 - Step 6: Final answer
x = 294,764.58
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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.