Finding the Fourth Proportional to 307,804.80, 460,972.80 and 149,524.80
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Solution
The fourth proportional to 307,804.80, 460,972.80 and 149,524.80 is: 223,930.44
Step by Step Solution
- Step 1: Write the proportion equation
307,804.80 : 460,972.80 = 149,524.80 : x - Step 2: Convert to fraction form
307,804.80/460,972.80 = 149,524.80/x - Step 3: Cross multiply
307,804.80x = 460,972.80 × 149,524.80 - Step 4: Simplify right side
307,804.80x = 68,926,865,725.44 - Step 5: Solve for x
x = 68,926,865,725.44/307,804.80 - Step 6: Final answer
x = 223,930.44
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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.