Finding the Fourth Proportional to 207,933.24, 286,947.87 and 112,439.94
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Solution
The fourth proportional to 207,933.24, 286,947.87 and 112,439.94 is: 155,167.11
Step by Step Solution
- Step 1: Write the proportion equation
207,933.24 : 286,947.87 = 112,439.94 : x - Step 2: Convert to fraction form
207,933.24/286,947.87 = 112,439.94/x - Step 3: Cross multiply
207,933.24x = 286,947.87 × 112,439.94 - Step 4: Simplify right side
207,933.24x = 32,264,399,851.19 - Step 5: Solve for x
x = 32,264,399,851.19/207,933.24 - Step 6: Final answer
x = 155,167.11
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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.