Finding the Fourth Proportional to 303,312.94, 454,971.30 and 134,793.70
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Solution
The fourth proportional to 303,312.94, 454,971.30 and 134,793.70 is: 202,191.39
Step by Step Solution
- Step 1: Write the proportion equation
303,312.94 : 454,971.30 = 134,793.70 : x - Step 2: Convert to fraction form
303,312.94/454,971.30 = 134,793.70/x - Step 3: Cross multiply
303,312.94x = 454,971.30 × 134,793.70 - Step 4: Simplify right side
303,312.94x = 61,327,264,920.81 - Step 5: Solve for x
x = 61,327,264,920.81/303,312.94 - Step 6: Final answer
x = 202,191.39
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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.