Finding the Fourth Proportional to 207,684.28, 286,604.31 and 112,190.99
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Solution
The fourth proportional to 207,684.28, 286,604.31 and 112,190.99 is: 154,823.56
Step by Step Solution
- Step 1: Write the proportion equation
207,684.28 : 286,604.31 = 112,190.99 : x - Step 2: Convert to fraction form
207,684.28/286,604.31 = 112,190.99/x - Step 3: Cross multiply
207,684.28x = 286,604.31 × 112,190.99 - Step 4: Simplify right side
207,684.28x = 32,154,420,264.86 - Step 5: Solve for x
x = 32,154,420,264.86/207,684.28 - Step 6: Final answer
x = 154,823.56
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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.