Finding the Fourth Proportional to 226,420.71, 312,449.18 and 125,816.55
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Solution
The fourth proportional to 226,420.71, 312,449.18 and 125,816.55 is: 173,620.50
Step by Step Solution
- Step 1: Write the proportion equation
226,420.71 : 312,449.18 = 125,816.55 : x - Step 2: Convert to fraction form
226,420.71/312,449.18 = 125,816.55/x - Step 3: Cross multiply
226,420.71x = 312,449.18 × 125,816.55 - Step 4: Simplify right side
226,420.71x = 39,311,277,248.85 - Step 5: Solve for x
x = 39,311,277,248.85/226,420.71 - Step 6: Final answer
x = 173,620.50
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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.