Finding the Fourth Proportional to 207,365.24, 286,250.70 and 140,336.12
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Solution
The fourth proportional to 207,365.24, 286,250.70 and 140,336.12 is: 193,722.50
Step by Step Solution
- Step 1: Write the proportion equation
207,365.24 : 286,250.70 = 140,336.12 : x - Step 2: Convert to fraction form
207,365.24/286,250.70 = 140,336.12/x - Step 3: Cross multiply
207,365.24x = 286,250.70 × 140,336.12 - Step 4: Simplify right side
207,365.24x = 40,171,312,585.28 - Step 5: Solve for x
x = 40,171,312,585.28/207,365.24 - Step 6: Final answer
x = 193,722.50
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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.