Finding the Fourth Proportional to 912,250.80, 1,368,246.60 and 313,239.60
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Solution
The fourth proportional to 912,250.80, 1,368,246.60 and 313,239.60 is: 469,814.90
Step by Step Solution
- Step 1: Write the proportion equation
912,250.80 : 1,368,246.60 = 313,239.60 : x - Step 2: Convert to fraction form
912,250.80/1,368,246.60 = 313,239.60/x - Step 3: Cross multiply
912,250.80x = 1,368,246.60 × 313,239.60 - Step 4: Simplify right side
912,250.80x = 428,589,017,685.36 - Step 5: Solve for x
x = 428,589,017,685.36/912,250.80 - Step 6: Final answer
x = 469,814.90
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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.