Finding the Fourth Proportional to 207,520.74, 310,833.99 and 140,593.68
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Solution
The fourth proportional to 207,520.74, 310,833.99 and 140,593.68 is: 210,587.60
Step by Step Solution
- Step 1: Write the proportion equation
207,520.74 : 310,833.99 = 140,593.68 : x - Step 2: Convert to fraction form
207,520.74/310,833.99 = 140,593.68/x - Step 3: Cross multiply
207,520.74x = 310,833.99 × 140,593.68 - Step 4: Simplify right side
207,520.74x = 43,701,294,523.18 - Step 5: Solve for x
x = 43,701,294,523.18/207,520.74 - Step 6: Final answer
x = 210,587.60
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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.