Finding the Fourth Proportional to 225,630.60, 311,369.58 and 125,028.60
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Solution
The fourth proportional to 225,630.60, 311,369.58 and 125,028.60 is: 172,539.11
Step by Step Solution
- Step 1: Write the proportion equation
225,630.60 : 311,369.58 = 125,028.60 : x - Step 2: Convert to fraction form
225,630.60/311,369.58 = 125,028.60/x - Step 3: Cross multiply
225,630.60x = 311,369.58 × 125,028.60 - Step 4: Simplify right side
225,630.60x = 38,930,102,669.99 - Step 5: Solve for x
x = 38,930,102,669.99/225,630.60 - Step 6: Final answer
x = 172,539.11
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1.5x scale
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.