Finding the Fourth Proportional to 207,925.14, 286,935.84 and 112,431.81
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Solution
The fourth proportional to 207,925.14, 286,935.84 and 112,431.81 is: 155,155.44
Step by Step Solution
- Step 1: Write the proportion equation
207,925.14 : 286,935.84 = 112,431.81 : x - Step 2: Convert to fraction form
207,925.14/286,935.84 = 112,431.81/x - Step 3: Cross multiply
207,925.14x = 286,935.84 × 112,431.81 - Step 4: Simplify right side
207,925.14x = 32,260,715,845.07 - Step 5: Solve for x
x = 32,260,715,845.07/207,925.14 - Step 6: Final answer
x = 155,155.44
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1.5x scale
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.