Finding the Fourth Proportional to 464,378.96, 696,335.12 and 215,235.92
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Solution
The fourth proportional to 464,378.96, 696,335.12 and 215,235.92 is: 322,745.74
Step by Step Solution
- Step 1: Write the proportion equation
464,378.96 : 696,335.12 = 215,235.92 : x - Step 2: Convert to fraction form
464,378.96/696,335.12 = 215,235.92/x - Step 3: Cross multiply
464,378.96x = 696,335.12 × 215,235.92 - Step 4: Simplify right side
464,378.96x = 149,876,330,181.51 - Step 5: Solve for x
x = 149,876,330,181.51/464,378.96 - Step 6: Final answer
x = 322,745.74
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1.5x scale
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.