Finding the Fourth Proportional to 330,122.40, 455,559.84 and 186,881.28
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Solution
The fourth proportional to 330,122.40, 455,559.84 and 186,881.28 is: 257,891.03
Step by Step Solution
- Step 1: Write the proportion equation
330,122.40 : 455,559.84 = 186,881.28 : x - Step 2: Convert to fraction form
330,122.40/455,559.84 = 186,881.28/x - Step 3: Cross multiply
330,122.40x = 455,559.84 × 186,881.28 - Step 4: Simplify right side
330,122.40x = 85,135,606,015.80 - Step 5: Solve for x
x = 85,135,606,015.80/330,122.40 - Step 6: Final answer
x = 257,891.03
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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.