Finding the Fourth Proportional to 225,418.14, 338,298.53 and 83,397.80
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Solution
The fourth proportional to 225,418.14, 338,298.53 and 83,397.80 is: 125,160.09
Step by Step Solution
- Step 1: Write the proportion equation
225,418.14 : 338,298.53 = 83,397.80 : x - Step 2: Convert to fraction form
225,418.14/338,298.53 = 83,397.80/x - Step 3: Cross multiply
225,418.14x = 338,298.53 × 83,397.80 - Step 4: Simplify right side
225,418.14x = 28,213,353,573.99 - Step 5: Solve for x
x = 28,213,353,573.99/225,418.14 - Step 6: Final answer
x = 125,160.09
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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.