Finding the Fourth Proportional to 407,408.16, 562,292.84 and 235,295.19
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Solution
The fourth proportional to 407,408.16, 562,292.84 and 235,295.19 is: 324,747.55
Step by Step Solution
- Step 1: Write the proportion equation
407,408.16 : 562,292.84 = 235,295.19 : x - Step 2: Convert to fraction form
407,408.16/562,292.84 = 235,295.19/x - Step 3: Cross multiply
407,408.16x = 562,292.84 × 235,295.19 - Step 4: Simplify right side
407,408.16x = 132,304,801,211.68 - Step 5: Solve for x
x = 132,304,801,211.68/407,408.16 - Step 6: Final answer
x = 324,747.55
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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.