Finding the Fourth Proportional to 203,552.32, 280,895.36 and 112,907.84
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Solution
The fourth proportional to 203,552.32, 280,895.36 and 112,907.84 is: 155,809.02
Step by Step Solution
- Step 1: Write the proportion equation
203,552.32 : 280,895.36 = 112,907.84 : x - Step 2: Convert to fraction form
203,552.32/280,895.36 = 112,907.84/x - Step 3: Cross multiply
203,552.32x = 280,895.36 × 112,907.84 - Step 4: Simplify right side
203,552.32x = 31,715,288,363.62 - Step 5: Solve for x
x = 31,715,288,363.62/203,552.32 - Step 6: Final answer
x = 155,809.02
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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.