Finding the Fourth Proportional to 318,725.39, 477,976.68 and 94,026.20
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Solution
The fourth proportional to 318,725.39, 477,976.68 and 94,026.20 is: 141,006.43
Step by Step Solution
- Step 1: Write the proportion equation
318,725.39 : 477,976.68 = 94,026.20 : x - Step 2: Convert to fraction form
318,725.39/477,976.68 = 94,026.20/x - Step 3: Cross multiply
318,725.39x = 477,976.68 × 94,026.20 - Step 4: Simplify right side
318,725.39x = 44,942,328,519.13 - Step 5: Solve for x
x = 44,942,328,519.13/318,725.39 - Step 6: Final answer
x = 141,006.43
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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.