Finding the Fourth Proportional to 412,226.70, 618,340.05 and 202,274.70
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Solution
The fourth proportional to 412,226.70, 618,340.05 and 202,274.70 is: 303,412.05
Step by Step Solution
- Step 1: Write the proportion equation
412,226.70 : 618,340.05 = 202,274.70 : x - Step 2: Convert to fraction form
412,226.70/618,340.05 = 202,274.70/x - Step 3: Cross multiply
412,226.70x = 618,340.05 × 202,274.70 - Step 4: Simplify right side
412,226.70x = 125,074,548,111.74 - Step 5: Solve for x
x = 125,074,548,111.74/412,226.70 - Step 6: Final answer
x = 303,412.05
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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.