Finding the Fourth Proportional to 434,212.08, 599,211.80 and 243,221.38
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Solution
The fourth proportional to 434,212.08, 599,211.80 and 243,221.38 is: 335,645.02
Step by Step Solution
- Step 1: Write the proportion equation
434,212.08 : 599,211.80 = 243,221.38 : x - Step 2: Convert to fraction form
434,212.08/599,211.80 = 243,221.38/x - Step 3: Cross multiply
434,212.08x = 599,211.80 × 243,221.38 - Step 4: Simplify right side
434,212.08x = 145,741,120,908.28 - Step 5: Solve for x
x = 145,741,120,908.28/434,212.08 - Step 6: Final answer
x = 335,645.02
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1.5x scale
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.