Finding the Fourth Proportional to 326,334.08, 489,211.20 and 115,944.32
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Solution
The fourth proportional to 326,334.08, 489,211.20 and 115,944.32 is: 173,813.47
Step by Step Solution
- Step 1: Write the proportion equation
326,334.08 : 489,211.20 = 115,944.32 : x - Step 2: Convert to fraction form
326,334.08/489,211.20 = 115,944.32/x - Step 3: Cross multiply
326,334.08x = 489,211.20 × 115,944.32 - Step 4: Simplify right side
326,334.08x = 56,721,259,920.38 - Step 5: Solve for x
x = 56,721,259,920.38/326,334.08 - Step 6: Final answer
x = 173,813.47
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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.