Finding the Fourth Proportional to 314,824.32, 434,211.84 and 201,657.60
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Solution
The fourth proportional to 314,824.32, 434,211.84 and 201,657.60 is: 278,130.09
Step by Step Solution
- Step 1: Write the proportion equation
314,824.32 : 434,211.84 = 201,657.60 : x - Step 2: Convert to fraction form
314,824.32/434,211.84 = 201,657.60/x - Step 3: Cross multiply
314,824.32x = 434,211.84 × 201,657.60 - Step 4: Simplify right side
314,824.32x = 87,562,117,545.98 - Step 5: Solve for x
x = 87,562,117,545.98/314,824.32 - Step 6: Final answer
x = 278,130.09
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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.