Finding the Fourth Proportional to 260,225.12, 358,912.49 and 223,988.19
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Solution
The fourth proportional to 260,225.12, 358,912.49 and 223,988.19 is: 308,933.12
Step by Step Solution
- Step 1: Write the proportion equation
260,225.12 : 358,912.49 = 223,988.19 : x - Step 2: Convert to fraction form
260,225.12/358,912.49 = 223,988.19/x - Step 3: Cross multiply
260,225.12x = 358,912.49 × 223,988.19 - Step 4: Simplify right side
260,225.12x = 80,392,157,883.55 - Step 5: Solve for x
x = 80,392,157,883.55/260,225.12 - Step 6: Final answer
x = 308,933.12
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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.