Finding the Fourth Proportional to 207,860.29, 286,847.62 and 112,366.98
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Solution
The fourth proportional to 207,860.29, 286,847.62 and 112,366.98 is: 155,066.66
Step by Step Solution
- Step 1: Write the proportion equation
207,860.29 : 286,847.62 = 112,366.98 : x - Step 2: Convert to fraction form
207,860.29/286,847.62 = 112,366.98/x - Step 3: Cross multiply
207,860.29x = 286,847.62 × 112,366.98 - Step 4: Simplify right side
207,860.29x = 32,232,200,498.67 - Step 5: Solve for x
x = 32,232,200,498.67/207,860.29 - Step 6: Final answer
x = 155,066.66
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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.