Finding the Fourth Proportional to 190,430.60, 285,718.80 and 187,441.70
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Solution
The fourth proportional to 190,430.60, 285,718.80 and 187,441.70 is: 281,234.31
Step by Step Solution
- Step 1: Write the proportion equation
190,430.60 : 285,718.80 = 187,441.70 : x - Step 2: Convert to fraction form
190,430.60/285,718.80 = 187,441.70/x - Step 3: Cross multiply
190,430.60x = 285,718.80 × 187,441.70 - Step 4: Simplify right side
190,430.60x = 53,555,617,593.96 - Step 5: Solve for x
x = 53,555,617,593.96/190,430.60 - Step 6: Final answer
x = 281,234.31
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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.