Finding the Fourth Proportional to 412,334.70, 618,502.05 and 202,382.70
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Solution
The fourth proportional to 412,334.70, 618,502.05 and 202,382.70 is: 303,574.05
Step by Step Solution
- Step 1: Write the proportion equation
412,334.70 : 618,502.05 = 202,382.70 : x - Step 2: Convert to fraction form
412,334.70/618,502.05 = 202,382.70/x - Step 3: Cross multiply
412,334.70x = 618,502.05 × 202,382.70 - Step 4: Simplify right side
412,334.70x = 125,174,114,834.54 - Step 5: Solve for x
x = 125,174,114,834.54/412,334.70 - Step 6: Final answer
x = 303,574.05
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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.