Finding the Fourth Proportional to 407,408.72, 562,293.61 and 235,295.75
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Solution
The fourth proportional to 407,408.72, 562,293.61 and 235,295.75 is: 324,748.32
Step by Step Solution
- Step 1: Write the proportion equation
407,408.72 : 562,293.61 = 235,295.75 : x - Step 2: Convert to fraction form
407,408.72/562,293.61 = 235,295.75/x - Step 3: Cross multiply
407,408.72x = 562,293.61 × 235,295.75 - Step 4: Simplify right side
407,408.72x = 132,305,298,826.19 - Step 5: Solve for x
x = 132,305,298,826.19/407,408.72 - Step 6: Final answer
x = 324,748.32
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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.