Finding the Fourth Proportional to 208,288.44, 287,437.68 and 112,794.84
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Solution
The fourth proportional to 208,288.44, 287,437.68 and 112,794.84 is: 155,656.68
Step by Step Solution
- Step 1: Write the proportion equation
208,288.44 : 287,437.68 = 112,794.84 : x - Step 2: Convert to fraction form
208,288.44/287,437.68 = 112,794.84/x - Step 3: Cross multiply
208,288.44x = 287,437.68 × 112,794.84 - Step 4: Simplify right side
208,288.44x = 32,421,487,125.57 - Step 5: Solve for x
x = 32,421,487,125.57/208,288.44 - Step 6: Final answer
x = 155,656.68
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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.