Finding the Fourth Proportional to 315,048.17, 471,560.70 and 165,074.60
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Solution
The fourth proportional to 315,048.17, 471,560.70 and 165,074.60 is: 247,081.88
Step by Step Solution
- Step 1: Write the proportion equation
315,048.17 : 471,560.70 = 165,074.60 : x - Step 2: Convert to fraction form
315,048.17/471,560.70 = 165,074.60/x - Step 3: Cross multiply
315,048.17x = 471,560.70 × 165,074.60 - Step 4: Simplify right side
315,048.17x = 77,842,693,928.22 - Step 5: Solve for x
x = 77,842,693,928.22/315,048.17 - Step 6: Final answer
x = 247,081.88
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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.