Finding the Fourth Proportional to 287,441.06, 431,543.09 and 245,590.08
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Solution
The fourth proportional to 287,441.06, 431,543.09 and 245,590.08 is: 368,711.08
Step by Step Solution
- Step 1: Write the proportion equation
287,441.06 : 431,543.09 = 245,590.08 : x - Step 2: Convert to fraction form
287,441.06/431,543.09 = 245,590.08/x - Step 3: Cross multiply
287,441.06x = 431,543.09 × 245,590.08 - Step 4: Simplify right side
287,441.06x = 105,982,700,992.24 - Step 5: Solve for x
x = 105,982,700,992.24/287,441.06 - Step 6: Final answer
x = 368,711.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.