Finding the Fourth Proportional to 207,859.18, 286,845.87 and 112,365.88
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Solution
The fourth proportional to 207,859.18, 286,845.87 and 112,365.88 is: 155,065.02
Step by Step Solution
- Step 1: Write the proportion equation
207,859.18 : 286,845.87 = 112,365.88 : x - Step 2: Convert to fraction form
207,859.18/286,845.87 = 112,365.88/x - Step 3: Cross multiply
207,859.18x = 286,845.87 × 112,365.88 - Step 4: Simplify right side
207,859.18x = 32,231,688,606.92 - Step 5: Solve for x
x = 32,231,688,606.92/207,859.18 - Step 6: Final answer
x = 155,065.02
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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.