Finding the Fourth Proportional to 342,170.56, 472,211.76 and 189,206.08
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Solution
The fourth proportional to 342,170.56, 472,211.76 and 189,206.08 is: 261,113.45
Step by Step Solution
- Step 1: Write the proportion equation
342,170.56 : 472,211.76 = 189,206.08 : x - Step 2: Convert to fraction form
342,170.56/472,211.76 = 189,206.08/x - Step 3: Cross multiply
342,170.56x = 472,211.76 × 189,206.08 - Step 4: Simplify right side
342,170.56x = 89,345,336,039.50 - Step 5: Solve for x
x = 89,345,336,039.50/342,170.56 - Step 6: Final answer
x = 261,113.45
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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.